Customer Reviews: Monster Turbine PRO High-Performance In-Ear Speakers (Copper) (Discontinued by Manufacturer)
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on May 21, 2011
First off is full disclosure. I received the Turbine Pro Golds free of charge from Monster to review as part of their "Turbine Challenge" and will get to keep them after the review. I've been known to be critical of Monster's marketing and legal practices in the past but I do my best to remain as honest as I can and I'm not going to misrepresent the merits of this product based on their other products, what I think of other things the company does, or what they send me for free for no discernible reason. This is my honest opinion presented in as uncolored and unbiased a way as possible.

Since I'm prone to rambling and digressions I figure I should start this review off with the TL;DR version.

Smooth and easy to listen to sound.
Forgiving of poor recording or mixing without sacrificing overall quality.
Not fussy about amps.

Ergonomics handicapped by a legion of near identical tips and form-over-function casing.
Bass sometimes intrudes upon the lower mids.
Narrow genre bandwidth unless you're a hardcore basshead.

Who's it for?
Hardcore bassheads and fans of rap, hip-hop, modern pop, and maybe electronica.

Who isn't it for?
People looking for a balanced or bright sound signature or those who don't like having different headphones for different genres.

Now for the meat...

About me and my methodology

There are lots of ways to review a headphone. You could take extensive measurements and show how that translates into what you actually hear. You could take copious notes comparing one headphone to another and to itself when fed from varying amps and sources. You could wax poetic with little to no comparison to anything else. The variety of review methodologies is astounding. Some of those aren't practical for me to do and others may be easy but aren't very useful IMO.

My style is mostly just to listen. I listen to all kinds of stuff on just about anything I can safely plug them into. Mp3s from the 90s and well mastered lossless get time along with onboard sound cards and what may be considered "audiophile" amps and DACs. After that I simply write about why I continue to use them or why I don't once I'm relieved from the duty of having to evaluate them. This is hardly exhaustive but it's a fair representation of what's out there in the real world and is fairly close to how people evaluate things in the real world. Except for the rambling anyway.

The majority of my listening with these was done with my Practical Devices XM6 as the amp and either its own USB DAC or my Cowon D2+ as the source but anything I tried that made an important or interesting difference will get a specific mention. My main genres of music are metal of nearly all subgenres followed by various sorts of electronic varying sorts but just about everything except country gets an occasional spot in my random play.

Build Quality

Probably the first thing you'll notice about these is how well built they appear. The cylindrical metal body is about as crush-proof as you can get and the cable looks built to take a beating as well. Its "anti-memory" nature avoids tangling (which is merely annoying) and kinks (which can actually damage the wires) by doing its very best to unfurl itself at all times. It makes it a little difficult to coil the cable to put it away but IMO that's a small sacrifice for the greater longevity such a design will likely provide. I think they look pretty cool too, though IMO the design is far closer to a Minié Ball than any turbine I've ever seen. Given the other recent IEMs named after bullets and firearms this may be a new marketing direction.

I haven't had these long enough for a proper test of durability but given the reports I've seen I seem to be on the right track. Also, given the number of such reports, I don't need to ramble on about this topic any longer.


This is, to me, the Gold's biggest weakness. If they were a little more comfortable I could have liked them a lot more. All that durability and cool looking design I mention above comes at a price to comfort. There's a good reason why most headphones are made of plastic. Its strength to weight ratio is far better than any sanely priced metal. Only the magnesium alloys in a few `phones like the Denon Dx000 series and some Sonys like the SA5000 and EX1000 come to mind. I'm not sure what the Golds are made from but steel seems about the right weight to me. It could be very thick aluminum but I don't think there would any room left for the driver then. This weight is detrimental to its comfort; hanging out the side of your ear like a small lever, it keeps the tip from distributing its pressure evenly across the ear canal.

This extra weight also causes them to work their way out of place requiring small adjustments fairly often to fix either the sound or the fit. Simple office work at my desk is enough movement to affect the comfort and fit of the Golds due to their excessive mass and lack of inertial damping. Heaven forbid actually getting up and walking with them. Unless you jam a painfully oversized tip into your ear canal or use a very small one for a very deep (and probably uncomfortable for most people) insertion you'll probably be adjusting them every 20 feet. The only time I don't need to readjust them periodically is if I'm lying in bed and not moving at all. Needless to say, using these "on the go" could be problematic.

I thought I'd be able to find a tip that alleviated these problems to some degree but it seems I was out of luck. With 16 different pairs of tips in many different styles I thought I'd easily find a perfect fit. I soon discovered all those tips are far more similar than different. Only the silicone flanges (triple and single) are really different from each other and all the rest in regards to fit and seal. All the gel-filled silicone and foam rubber tips are more alike than different. They're mostly solid and not very compressible without pushing back rather painfully. The gel filled and foam rubber tips provide more isolation than silicone flanges. The overall isolation will vary depending on the tip you use and how deeply you manage to insert it but I never managed isolation on par with my Shures with any combination, even the horribly uncomfortable ones. In addition, the gel filled and foam rubber tips all provide more bass than the silicone flanges by allowing for increased conduction. The downside to all these similarities is that if one foam rubber or gel filled style doesn't work very well then none of the rest are likely to work much better.

For me, the most comfortable tips that actually sealed properly were either the black foam rubber used in a shallow insertion or the small single flange used in a deep insertion but neither are comfortable for very long. The foam rubber tips press back too hard against my ear canal and with the small single flanges used with a deep insertion the form-over-function turbine "fins" or "blades" push annoyingly against the inside of my antihelix. It gets very annoying when I crack a smile or laugh. I can sometimes stretch it out for several hours before my ear canals need a break but they just aren't pleasant compared to my SE530s with either the stock olives or Comply Tx-400 tips (used for the protection of the IEM via the filter rather than comfort) which I can pop in and forget about for the entire work day thanks to my Shure PTH. According to Comply, those Tx-400s are supposed to fit the Golds too, but I nearly destroyed a used pair I had laying around by trying to get them over the giant nozzle so I'm not too keen on trying my last good pair on hand which is currently attached to my 530s. Maybe next time I order some extras I'll give it a try. Also, a de-cored Shure olive was blissful until I had to fish it out of my ear with some tweezers.

All this begs the question: Where's the memory foam! Its hardly a panacea but in a game uncertain as this you need all the help you can get.

In addition to all that, the cable is also highly microphonic as a result of its sturdy construction. If you listen softly the music can easily be obscured by a light breeze. Fortunately this problem can be easily solved by wearing them "over-ear" instead of "under-ear" like a regular pair of earbuds. Unfortunately that doesn't help very much with the other problems.

I may be making too big a deal out of this but I'm not really sure. All of the 4 IEMs I've previously owned or spent extensive time with (Shure E2C, E3C, SE530, and SE535) were vastly more comfortable even without the benefit of the newer Shure olives or the Comply foam. I don't have either the E2C (broke) or E3C (was my dad's) to use any more but I do know I used wear each for hours on end with the Shure silicone single flanges without any discomfort or pain. Shure's not perfect either though. I like the sound of the 535s better than my 530s but I sold them because they weren't as comfortable as the 530s but they were still more comfortable than the Golds.

If you've never used IEMs before, the Golds are probably a poor place to start. There are indeed tons of included tips but because most of them are far more alike than different which severely diminishes their usefulness. The housing also suffers from an unfortunate case of form-over-function design. There's no reason other than branding to call them "turbines" and add those stupid and uncomfortable fins to the back of the earpieces. Even if you don't insert them that deeply it shifts the center of gravity away from the tips and multiplies the sheer weight of the earpieces. The weight is hardly a problem for your neck, but its unsupported weight pulls and twists at the tip and through it, at your ear canal. That unnecessary weight will make any tip less comfortable. Apparently the Coppers come with some ear hooks to grab the housing and place more of the weight on your outer ear instead of your ear canal. The Golds I received came with no such luxury.

Enough of this. Let's get on to the good news.


The quick description is that the Golds are dark-ish, bassy, and generally do that sort of sound sig justice. Given the plethora of reviews of this product you probably already knew that so let's go on to some details you might not have heard already.

Bass is the focus of these headphones and where a headphone of this sound signature usually fails spectacularly. Poorly controlled bass bleeds into the rest of the spectrum in a way that poor quality mids and treble just can't. The good news is that the Golds have rather slight bleed or bloat despite the rather large boost to their bass. Its not natural or neutral much of the time but it is fun most of the time and if you're not mixing or something that's all that counts. The bass is quite full of either impact or rumble depending on what the track calls for. It also lacks the artificially enhanced "punchy-ness" which is somewhat common among bass-heavy `phones. *glares at the Ultrasone HFI 780, worst offender in my recent possession* I consider that a good thing, though others may disagree.

The bass is hardly perfect though. It can to a small but noticeable degree interfere with male vocals, low tuned electric guitars, and other thing in the lower midrange from time to time. The busier the lower mids get the greater the chance the bass will encroach upon them but it never turns into a complete mess. I'm a mild basshead and I've made plenty of exceptions for that in other headphones. What I find to be a bigger flaw is the tone and timbre of the bass. It isn't quite right. Its certainly not "one-note" since a kick drum is usually easily distinguished from an upright bass or bass guitar but they all tend to sound a little off. Fairly often (but a long way from always) a physical drum will sound like a synthesized, electronic drum which is out of place in your typical rock, metal, or jazz track. Balanced armatures are often said to be handicapped in this area but my SE530s still do a much better job.

The bass extends all the way down to DC but the nature of universal IEMs limits how much of that you'll be able to hear or feel at safe volumes. More bass can be had at the expense of comfort by jamming the largest and firmest tip you can into your ear canal to increase conduction through your flesh and bone. I think bass extension is very important in giving all sorts of instruments (even ones with primary tones fairly high up through the midrange) a proper "feel" and the Golds perform admirably in this respect.

I find the midrange pleasantly euphonic. Female vocals are very good to my ears. Its adding a little something that isn't there in real life, but like a well done touch-up it can be better than real life even if it might occasionally fail spectacularly. Male vocals aren't as good as that but they are free of any honky colorations or obviously obscured details. Timbre is fairly natural throughout most of the vocal range as well though it slowly strays as you get further from the middle.

Overall the mids are quite smooth and syrupy in a manner reminiscent of a tube amp, though distinctly different from any I've had the chance to hear myself. This inevitably smooths over some details but it does so in a nice way. They aren't obviously muffled or obscured by annoying harmonics and resonances. If you're after every last detail then you'll leave empty handed but if you want something that sound good with just about everything at the expense of not sounding great with just about anything then you'll enjoy this sort of coloration. It's the sort of thing the SE530s do to the midrange but turned up to 11.

The sort of music you listen to will determine how well you get along with this sort of coloration. Modern loudness war-ed pop and genres which have suffered similar trauma will greatly benefit from this while well recorded and well mixed music can instead suffer. Until Chesky starts poaching bands from Metal Blade and Nuclear Blast, I'm not likely to mind that sort of thing very much.

In the no man's land between the mids and treble the Golds exhibit just about no sibilance. In addition to not causing any of their own they are also covering up sibilance that exists on the actual recording but once again, that should be a benefit to anyone who isn't trying to mix with them.

This forgiving coloration continues up into the lower treble and seems to slowly fade away along with the upper treble in general. These `phones definitely don't have the sort of "sparkle" and "shimmer" that some people demand and that's fine with me. I'm very sensitive to treble and am quite glad that these are more on the muted side. This also seems to be an important part of their forgiving coloration because extension and presence in the high treble often contributes to an unforgiving sound. None of that bothers me at all because treble is my least favorite part of the sound spectrum. As long as it isn't piercing I'm not likely to care too much about it compared to the bass and mids. They may be extended a little more than my SE530s but I rarely miss anything above 10khz even though I can hear it perfectly well via test tones and more extended `phones. Those who wish to determine the vintage of a violin by ear should probably look elsewhere though.

The soundstage is nothing to write home about either. Its not mind-blowingly great for an IEM but neither is it uselessly small. I don't have much to compare it to since it isn't fair to compare soundstage against full size `phones, but the size of the soundstage is noticeably smaller than my SE530s. The Gold's stage is also much wider than it is deep but its still enough to keep it from coming across as strictly one dimensional. Crossfeed helps dramatically but "purists" will probably cry foul. You could probably adjust it to a degree by playing with different tips but IMO, if its not comfortable its not worth using.

The Golds also fall short of my SE530s in the precision of its imaging within the soundstage but that's hardly a surprise. That's one of the SE530 greatest strengths, even the most full size `phones I've heard lose to the SE530s in imaging. This sort of thing that's hard to quantify but while the Golds certainly don't turn everything into a smeared mess you aren't going to be able to listen to a busy death metal track and draw a picture of the drum kit afterwords like you can just about do with the SE530s.

Genre Bandwidth

Among those with diverse tastes in music only extreme bassheads will likely find the Golds to be a good all-rounder. I like my Sony XB700s quite a bit but I sure don't listen to death metal with them. The Golds are along those lines as well though not to the same extreme.

Most metal sub-genres with fast and busy compositions or truck loads of distorted guitars can make the lower midrange difficult to make out due to the bleeding of the bass into the mids. They do quite well with less busy sorts of metal and classic or modern rock with fewer effects piled on the guitars, assuming you don't mind their bass heavy coloration. The timbre of the bass may occasionally make you do a double take but I don't think it's a huge deal compared to other `phones with a similar sound sig and I've heard far worse offenders in the same price bracket. *Glares at the HFI 780 again*

Electronic music is also a bit of a mixed bag. The Golds have the requisite bass extension and the preferred bass emphasis that can't be put into most tracks for fear of consumers destroying their equipment which is a big plus. What they lack is the soundstage and imaging to properly convey the crazy phase effects and moving sounds that also fill a lot of electronic music. They aren't completely gone or all muddled into one place but other `phones like my SE530s can do this better without sacrificing much (or anything if you're not afraid of EQ) in the bass department. Since nothing's perfect, you'll have to pick you trade-offs according to your own preferences.

Not many headphones can come close to conveying the grand and sweeping stage of a full symphony without the outside assistance of a DSP and the Golds don't buck this trend either. Imaging can get slightly muddled when the pace picks up but I'm not enough of a classical snob to pick out any other flaws. More intimate chamber and solo piano pieces don't suffer from that problem but an unnatural timbre and an unpleasant "thickness" in the mids which I didn't notice (or just wasn't bothered by) with other genres comes to the forefront with lone stringed instruments. I'm not an expert in the field, but overall I wouldn't recommend the Golds for classical.

I'm not huge on jazz either but I generally like what I hear with the Golds here. Some purists may cry foul about the enhanced bass or ask for more painful sounding brass but a lot of purely instrumental jazz mostly stays away from the areas that seem to upset the Golds and it sounds good to me.

Where I think these would really shine is with rap and hip hop. I listen to even less of that than I do classical and jazz and pretty much all that ever do listen to is parody of "real" rap/hip hop so its hard to make firm conclusions, but with the material I do have and am familiar with they are great. The combination of enhanced bass, sparse composition to keep things out of the lower mids where things can get slightly muddled, and its pleasing vocal coloration seem to be perfect with what little rap and hip hop I do have.

I also listen to a bit of Jpop and while it generally isn't as mangled as a lot of American pop, it can often benefit from both the Gold's bass emphasis due to the music's over compressed nature and from the Gold's forgiving coloration due to the intentional clipping, poor recording, and sloppy mixing which pervades such genres. Of course such flaws pervade a lot of metal too, but pop is generally free of the type of instruments or vocals that are easily affected by either the Golds slightly off bass timbre or slight bleed in to the mids so there is little drawback.

Most people around here might not consider this a genre, but video games are important enough to count as one for me. Gaming `phones are divided up into two sub categories. There are `phones for competitive FPS gaming (hearing people sneak up behind you) and `phones for immersion (really feeling an explosion). The Golds defiantly fall into the second category. While even bass heavy IEMs won't give you as much impact or rumble as a pair of full size `phones, not many full size `phones will get very loud and keep that impact and rumble intact when driven straight from my DSiXL's headphone jack. You could always amp, but that gives you a tangle of cords unless your amp is small and light enough to attach to the back of your DS/PSP/whatever. A boosted bass response makes everything from footsteps to explosions weightier and really puts you "in the game" in a way bass neutral or bass light `phones never will no matter what their other virtues are. The Golds do a much better job with that sort of immersion then my SE530s and have replaced them for portable gaming duty. I think my XB700s will stay on for playing action/adventure games or anything old enough to use a hardware synth when at home due to comfort and my modded Fostex T50RPs (my overall best at the moment) are still unchallenged in my collection for more modern RPGs and similar games which have pre-recorded orchestral scores.


The Gold's combination of low impedance (about 19 ohms) and high sensitivity (not specified and I don't have the gear to measure it) make it easy to get lots of sound out of them. Unlike balanced armature IEMs the Golds have a very flat impedance curve which makes them somewhat insensitive to the quality of the amp. You don't have to worry about non-zero output impedance changing the frequency response or underpowered opamps not handling the large differences in voltage swing needed at different frequencies.

They sounded uniformly good on most everything I plugged them into from DAPs to onboard sound cards. That's not to say there were no differences but there wasn't anything that I considered major, unexpected, or interesting besides what I elaborate on in this section. Sounding slightly better from a slightly better chain isn't news. Something that is news is that the Golds don't seem to be very sensitive to damping factor as I discovered when I ran them from by Bottlehead Crack OTL tube amplifier, both directly and through an external transformer box. Either way makes my SE530s into a muddy mess of warm syrup but the Golds remained listenable, though probably too warm for most people's tastes, including mine. I think the Golds hardly need any more warmth in their mids but if you want more you're free to go for it without repercussions in other areas.

Interestingly, my Cowon D2+'s bass roll off with low impedance phones is, at an impedance of 19 ohms, a good match for the Gold's ramp up. This pretty evenly reduces the overall level of bass with no need for EQ and makes them work much better with metal but makes electronica a bit disappointing until you add an amp in between.


Here are a few quick and dirty comparisons between the Golds and some of the more similar `phones I have or have recently had in my possession. Some people don't think its fair to compare IEMs to full size `phones but IME the only place IEMs are handicapped is the size of the soundstage which is only one area out of many to compare.

Sony XB700: A very similar sound in a very different form factor. The XB700s have more low bass, less mid/upper bass, and a bit more treble than the Golds. The Sonys have better timbre through the bass and midrange but the Golds treble is a bit more natural. The Golds are smoother through the midrange and treble which makes them more forgiving of poor sources. The XB700s also have a much wider soundstage but with little to no extra depth over the Golds.

The Golds have one big advantage over the XB700s though, volume. The Golds keep it together at loud levels which the XB700s just can't. The Sonys need a decently strong amp just to get to medium volumes without breaking up into a mess and even a beast of an amp doesn't let them go loudly without breaking up into crap. The Golds are the winners for headbangers while its more of a tossup if you listen at low levels. Except for comfort anyway. Closed headphones more comfortable than the XB700s are few and far between though while the Golds are both uncomfortable overall and within the category of IEMs

Ultrasone HFI-780: I hated these with a passion so I'm not sure how objective I can be but the 780s are another `phone bassheads might be looking at and I recently had pair so here's how I think they stack up. Sonically, the Golds are better almost across the board. The 780s had a wider and deeper soundstage and more treble extension but the Golds win just about everywhere else. Better timbre everywhere, deeper bass extension, no grain reminiscent of 40 grit sandpaper, no "false detail" treble peaks, doesn't sound like the music is from an alternate dimension where cymbals are the elementary particles that all things are made from, etc, Fatality - Golds Win.

Shure SE530: Despite the fact that Shures used to be bass monsters by default back in the mists of time, these IEMs really aren't competitors with the Golds but since they're the only other pair I own right now they'll get compared as well. On a technical level, the SE530s win or tie with the Golds everywhere but treble extension. They have equal bass extension (though certainly not amplitude) and the SE530s have better timbre and detail everywhere except for the last octave of treble which is essentially missing from the 530s. The 530s have a wider and deeper soundstage with pinpoint imaging as well. The Shure's midrange is less colored, though certainly not dead neutral. The Shures, while still relatively forgiving, are less so than the Golds. Through the Shures a bad recoding is usually obvious though rarely painful, and they have more of a chance to shine with well recorded material.

If they were going after the same sound signature then this would be a clear victory for the Shures but technicalities mean nothing if you don't like the sound sig. I prefer the Shure's presentation the majority of the time, but I always find occasion for a well done bass heavy `phone as well. I just wish I could get past the comfort.


I put most of my conclusion in the beginning but there are a few more parting thoughts I'd like to express. In some areas, especially the fit, it may seem like I'm coming down rather hard on the Golds. This isn't out of hate, dislike, or spite but is instead frustration. I wasn't sure what to expect from these but I was very pleasantly surprised at the sound when I first got them. They exceeded my expectations and while they haven't sonically dethroned my SE530s they came a lot closer than I expected. With a few tweaks to just the ergonomics I think these could be so much better than they are now and that's where the attitude comes from. I want to wear these more often but I can't get past the comfort.

As it stands now, I only see using them with my DSiXL which is the only situation where they are superior enough to my SE530s for me to get past the comfort. If they were more comfortable I could easily see switching between them on a daily basis depending on what musical mood I was in. A change of pace is always nice but the Golds are far too uncomfortable to wear all day while performing boring tasks at work. Eventually the discomfort takes over and music is no longer a distraction from either the tedium or pain.
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on February 13, 2010
I have owned a half dozen head phones before finally buying these - my last. I have owned Bose in ear phones foe almost two years but they are NOT sound isolating and their bass is muddy, the highs are not sharp in comparison to these. I upgraded to Altec Lansing UPH326's and had to get the COMPLY ear pieces to get a tighter fit and better bass. The bass immediately improved and the sound then easily surpassed the Bose - manly due to the sound isolation and the tighter bass. I accidentally damaged the cords of the Altecs between two weight plates so I had to make a decision. To make a long story short - now I have the Monsters, and yes they are much more money than the Altecs - they cost more than the Bose AND the Altecs together. But they are well worth it if you like to listen to music. For one thing, the Monsters come with nice cable management system - I wont get these caught - they don't dangle.
I hear things with these headphones that I definitely did not hear with the other phones. Background instruments, background singers (more of them), clapping, cymbals, are sharper, drums are tighter.
By the way, of the 10 or so ear pieces the Monsters came with - I chose the COMPLY earpieces that ALSO come with them.
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on May 19, 2011
Disclaimer: I received these IEMs as part of the Monster Turbine Challenge on note that this is the full review from Head-Fi (minus pictures) and that the review is strictly professional... Although interlaced with the occasional bad joke.

The Review:

Well, this has been quite the turn of events! I had auditioned a full-sized Monster headphone, which I felt rather negative about, but the Turbine Pro Gold (TPG from here on) caught me quite off guard. Overall, the TPGs are excellent sounding, have superior build quality to many earbuds and IEMs I've owned/seen and offer a wide array of tips for fitted comfort, so let's explore what makes these so special! ...After I make some tea.

Build Quality

Sorry, I made some toast too. Let's put it this way, the majority of headphones, earphones and IEMs have are largely made out of plastic and other hilarious materials that make folks cry when they're paying large sums of money for them, but when an enclosure is mostly made of metal, even if you can't be sure of any sonic benefits, it makes you more confident in the design and stability--which I definitely feel in this case.

The cable is quite standard looking, although thicker than all of my other IEMs and earbuds. I'm fairly hopeful the cable should be secure given Monster Cable's more prominent and common product next to the Monster Beats would be the, well, Monster cables... Did not see that coming!


Like opening a present on Christmas day... Without the socks! A sexy suede-like stitched envelope pocket and a snapping mouthed coin purse of sorts made out of the same material. Along with that, you get 11 pairs of Super Tips (gel and foam), 3 pairs of regular bulb tips and 2 pairs of triple-flange tips. As if it weren't exciting enough that Monster is throwing all these goodies at you, they also include a 3.5mm to 6.3mm adapter and a very fine cleaning cloth. I feel it necessary to mention that my box had a new car smell upon opening; I had hoped they included a car in there too, but no luck on that end.

Sound, Tips, Super Tips and Tipping the Pizza Guy

Now for delicious the cream filling of the review!

Upon arrival, I had a wee issue with the Super Tips... I think my post office kept the package in some odd heating area, and well, the tips sweat all over themselves or perhaps the box has a miniature built-in sauna I was unaware of. After scrubbing the tips down, I tried the array of them and found the smaller of each tip fit best. The gel and foam Super Tips gave me the best isolation and bass, so much so I turned on my TV to a loud volume, stood next to the speakers and could barely hear the news report. Although the Super Tips technically gave me the most sonic benefits, their snug fit became a bit too snug after a while of listening and thus I tried the smaller triple-flange tip which did not isolate nor allow as much bass, but damn, it gave me one fine fitting-- the best I've ever had for an IEM period. Chances are no matter what size of ear-hole you have, you'll find a tip that will fit... Yes, even you with the funny ears.

Let's start at the bottom and move to the top. I was told the low end on the TPGs was exaggerated when compared to the Pro Coppers, but I definitely find that the bass quantity is very dependent on the tips used; for example, I found a heavier bass quantity while using the thicker foam or gel tips as well as better isolation, likely due to a more snug fit. However, I found the smaller of the triple-flange tips to fit best and sound more to my liking. The bass does indeed go low and one of my favorite albums supports this:

Ketama ft. Toumani Diabate & Danny Thompson - Songhai (FLAC)
Spanish flamenco and Mali kora

The final track on the first disc, Ne ne Koitaa, has a very subtle bass line (Danny Thompson, up-right bass) that comes in about 30 seconds into the track and the notes extend from below 50Hz to near mid-bass. The lower notes are very hard to hear clearly on headphones without a clear bass and even when heard on many headphones, don't seem to mix as well as they do on the TPGs--the notes are pronounced and don't simply murmur or sound like a tonally low act of flatulence. One of the first things I noticed with the TPGs was the treble; now I'm not one to get excited about a "sparkly" treble, but the treble was really, really enjoyable for me and I love me some fine kora (African string instrument) and in this case, Toumani's kora sounds great! The kora is an instrument that can sound bright at times, but the TPGs do an amazing job of taming brightness while keeping life in the music.

Muse - The Resistance (320kbps)
Rock-pop w/ electronic aspects

Muse likes to toss a lot of ambient noises and heavy bass rhythms in their music headed by a strong vocal spectrum. Again, the most likeable aspects of the TPGs I find in this case are the lively treble and prominent bass. As opposed to my test with Ketama's Songhai album, the vocals are now much more relevant and I find a short fall for the TPGs, the vocals don't entirely sound fully encompassing or acoustically real on this album, however, I ran into a similar issue with my Sennheiser IE6s, so I can't be sure if that's really a particular issue or an issue that plagues IEMs in general; I've confirmed this issue over the past month or so while swapping between circumaural headphones and my IEMs. Soundstage/headstage becomes apparent in many of the tracks off this album with the help of those ambient noises I mentioned earlier and as most IEMs and earbuds give an inner-head soundstage, the TPGs mostly exist in there but I find a lot of ambient noises will still appear in different directions outside the head. I think most folks will enjoy the bass more than anything off this album while using the TPGs.

Flogging Molly - Float (FLAC)
Irish-celtic folk-punk

I love the violin and banjo in this album, especially in the title track Float, which I coincidentally must correct myself that this song is able to create that encompassing sound I spoke of while going over the Muse album. Near the end of the song, there's a background vocal over the chorus that is placed upward and downward on the soundstage giving a more encompassing sound. The way that the violin flows across this entire album, and doesn't sound shrill (as I've experienced with some headphones), brings a blissful smile to my face every time.

Kenny Dorham - Quiet Kenny (FLAC)
Trumpet jazz

With the treble standing out so much on both the album and TPGs, I was a wee bit worried on how this album would stand up given that I've had some sad encounters making this album nearly unlistenable due to how shrill Kenny's trumpet can sound at times and, sadly, my favorite track, My Ideal, is a prime example of being too bright for comfort on some headphones. Thankfully, the TPGs fall just short of being too bright for my liking with Quiet Kenny--but "just short", is still worrisome for prolonged listening.


With prominent bass and treble these are awesome in-ear monitors, however, the mid-range is slightly buried under the two, kind of like a Boston Cream doughnut with only a dab of cream inside instead of a sea of deliciousness to match the icing and dough. I didn't experience any sibilance that I couldn't blame on the album's recording and nor was I entirely fatigued at any time.

The MSRP is a bit high, but like every other headphone out there, there are authorized dealers out there that you can score a good price from. My Sennheiser IE6s were found for less than the average street price of the TPGs, but I would easily pay the difference for the Turbine Pro Golds. Between the myriad of accessories including the array of Super Tips, hefty 6.3mm adapter (which I shall use for just about any applicable headphone) and envelope pouch (that I haven't left home without), I would highly recommend the Turbine Pro Gold IEMs.

Super Conclusion

8/10 - Like getting hugged in the ear.

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on February 9, 2012
I was extremely skeptical about purchasing anything with the label "MONSTER" as I've always thought their products are overpriced and overhyped. I tried the Audio Technica ATH-CKM50 and Logitech Ultimate Ears 700 earphones and was disappointed by both. In my opinion they were just too weak and their sound was too sharp. I decided to take a chance after reading all the reviews online and watching a few videos online. As soon I open the box to the Monster Turbine Pro's, I knew I was getting something special. The moment I picked up the metallic earbuds and stuck them in my ears, turned on my iphone and played "Before This Night Is Through (Bad Things) - Avicii" I was shocked by the quality of the sound these little earbuds were producing. I've never heard earphones playing music so clean, clear and reproducing perfect tight bass. I couldn't be more happier with these. As an audiophile, in my opinion they are definitely worth the price. Unfortunately portability comes with a price. If you don't want to wear huge over-the-ear headphones, then these are a must. Everything about these earbuds are high quality from the sound, to the construction, and even to the packaging. If you have the money get these! You won't be disappointed.
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on February 19, 2013
I did plenty of research on ear buds before I decided on the Copper Turbine PRO by Monster. It began with a temptation to try bluetooth technology, but there was not a single pair that met all my needs. If they were robust, they had poor sound quality. If they had good sound quality, they were fragile or had poor battery life. If they had good battery life, they were cumbersome and/or uncomfortable. I did not want an in-line mic, nor was I interested in taking phone calls. I just wanted good sound quality and a reasonable expectation the set up wouldn't wear out in a year. I've had any number of name brand ear buds in the $150 range and none lasted that long. These were more $$ and everything I read lead me to believe Monster did them right. So far I have not been disappointed. They are just slightly heavier and to compensate I went up a size with the ear foam for a tighter fit. The sound quality is just as described on their website and by many other reviewers across the internet. Even listening to compressed music files, I'm hearing a lot more detail spread across the EQ bands. Absolutely no looking back as far as sound goes. The cables seem to be much more stout than others I have owned in the past and the outside of each bud protrudes enough that I don't have to touch the wires to get them out of my ears; that can only help with cable life. The wires seem slightly larger in diameter than most I've had and plenty long enough to carry my music in my back pocket comfortably. The only negative I can throw at it is if you are walking, running, biking, pretty much anything other that sitting, as the cable rubs on your shirt or bounces on your chest or arms, that sound is carried to your ears. To be fair, that's true of every pair of buds I've ever had and these are no worse nor better in that respect. I have not had these long enough to speak intelligently on just how robust the cables are, but I expect with due diligence they will be fine. I'm done with $50 - $100 pair ear buds that wear out in less than a year. I'm betting these will last much longer. If you are looking for just ear buds with amazing sound, these would be hard to beat.
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on May 9, 2011
i bought these headphones on sale just slightly north of $200, a good price for this pair. first off these are made of metal thus are heavy, not for jogging or any kind of physical activity. build quality is top notch as are the accessories that come with it. my comparison for this pair will be the original monster turbine and the ultimate ears

the coppers have the same sound signature as the original turbines but more refined, though the highs and mids are a bit recessed and the bass is full and powerful. the highs and mids, though recessed, sound very smooth and well defined without the minor shrill and blurring of the highs as are in the original turbines. the amount of detail is extraordinary, as if john coltrane himself is seated about 8 feet in front of you wailing on his horn. the bass, on the other hand, is powerful and full. more bass than the original turbines but not boomy. each bass note is defined and not individually overpowering. the lower bass octave as a whole is powerful and complete but can not be considered a 'bass-head' earphones.

the triple.fis have a different sound signature. the sound stage is broader and over all more smooth sounding compared to the coppers. the highs on the triple.fis are sparkly but not too bright. the mids are a bit recessed but otherwise good sounding. the bass is full and deep, not as powerful as the coppers but still very warm with good impact.

keep in mind a thorough burn-in process is highly recommended for an IEM with dynamic drivers, at least several days. you initial reaction to earing the coppers without a proper burn-in with be one of grave disappointment. all bass, over powering bass, and very recessed sound. also the three compared IEMs are of top tier headphones and should not be compared to stock earbuds or othewise crappy headphones of the skullcandy variety. in light of above stated differences, these three headphones are in fact still far superior to earbuds and/or any crappy headphones that one might find at your local cell phone superstore. having said that, steer clear of the monster beats tour and the jamz, just dreadful. cheers, rosco
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on December 1, 2009
Excellent sound as advertised. The sound quality is crisp and clear. You can hear every single sound and tone from all the musical instruments. It really is like having a speaker in your ear..! I am very happy with the product.
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on January 2, 2012
I consider myself an entry level audiophile (if there is such a thing) and have listened to many different brands of IEMs through the years looking for "my perfect sound" and have finally settled on the Copper edition of the Monster Turbine Pros. I like good punchy bass when a song needs it, but I am not a bass head by any means. My preferred type of sound is one that is very clean from the highs to the lows with good sound stage. In my opinion the Coppers deliver this very well. I was blown away by the original Monster Turbines, which I own, and thought that it couldn't get much better without spending $1000's on top end equipment. But I was blown away yet again by the clarity and sound stage of the Coppers. They are amazing! They have had between 40 and 50 hours of burn in time and the sound keeps improving.

That being said I do realize that the "perfect sound" for anyone is subject to many variables like the individual's ears, music tastes, audio sources, cables, DACs and amps to name a few. Personally, I run the Coppers through a Mac Book Pro hooked up to an external USB DAC/AMP FiiO E7 and I really enjoy the quality of the sound that comes through.

Normally, with cheaper head sets and low quality digital sources I had to turn up the volume to get my perceived better sound, but with better digital sources (Apple lossless and FLAC) along with the external DAC and amp and the Coppers, the sound is perfect for me. I can keep the volume fairly low and still get the great sound that I want. It's awesome! I just sit back and smile and find myself lost in music from the likes of Blue Stone, Rush and Delain. I often find myself turning around thinking that someone is talking behind me only to find that no one is there.

I highly recommend the Coppers.
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on February 28, 2014
The sound is incredible. The reason I write this review is because after 10 months of considerable use, the "pro relief strain" rubber part near the ear bud itself has started to come apart. The rubber coated wire itself seems to be holding up fine, but the rubber protection has broken. I take fantastic care of these head phones, never twist them up, and always use the protective carrying case when putting in my backpack. Also, the protective case is made from felt with a metal closing clip, which rusted and shed flakes of rust.

My recommendation to you, buy these headphones (because their sound is great), but get a hard plastic carrying case (not the flimsy felt one they provide) and be extremely careful with them. No walking or jogging with them that will jerk the cable around.
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on January 19, 2010
Monster Turbine Pro Review
Sorry for the delay but I recently had to get nose surgery which screwed with my sinuses and hearing. Finally almost a month later I can smell like never before and my hearing has returned back to normal. This is my first real write up of headphones and the most expensive IEM I have tried for an extended time to date. It has certainly wet my appetite. This review will start with the physical aspects of the Turbine pros and move into the sound.

To make all previous bias clear, I received these headphones as part of Monster's review program. I have and do own one Monster product (a power supply) that I bought used over a year ago and have had no issues with. As for bias regarding their products, I have never been impressed by the way they run their business but I am treating these headphones like they were sent to me by any company.

Build / Physical Appearance:
First impressions do mean a lot and as I unpacked these IEMs I was certainly impressed. The box even had the new car smell going and everything felt like a serious high quality product. While I have not bought very many new IEMs I am fairly certain that the packaging will not disappoint.

The first day I got these I was walking from my dorm to class and when I sat down my friend noticed the "bling" in my ear and asked what they were. They did not disappear in my ears at all but don't stick out half an inch like some models I have seen. I consider myself pretty conservative dress wise and would have not bought a gold colored IEM in the first place but really don't mind walking around in these.

The build quality seems to be very solid to me. I had read a bit about issues with the cable but the build quality doesn't leave much to be desired. The cable is not very micro phonic (something that usually really bothers me) and the cable management system works perfectly well for my needs. The only micro phonics I really heard were when I was not using the clip supplied with the cable and when the cord above the Y split rubbed against something. The slim plug first had me worried but after using it for a while I like it a lot. It seems sturdy and is about as slim as I can imagine. The Y split seems to be sturdy and the strain relief seems to be well designed. No complaints with either.

I tried various tips and found that most of them didn't really give my ears a good seal (they are very small to begin with). The fact that I found comfortable and good sounding tips pleased me.. I have had trouble in the past finding something that both sealed well and didn't hurt after more than half an hour of listening.

My sound equipment came from two chains, both seen in my profile / signature. In case that changes I did most listening at my desk through the Presonus Central Station which I believe to be a very good DAC and headphone amplifier. My home headphones are Stax Lambdas powered by the Adcom GFA-1 and SRD7. On the go I played the Turbine Pro's directly from the Sansa Clip+. My listening tracks vary greatly and I tried picking music that would appeal to a large audience. I mostly spent time with the music I have been getting into heavily lately and then a few favorites that I use to test all new audio equipment.

After listening to the Dr. Dre headphones for about thirty seconds I did not enjoy them at all. I can see how they would appeal to a lot of hip hop fans but I did not enjoy them that much at all. The bass was overpowering and not very detailed - far too sluggish for me in general. The Turbine Pros have much better bass response - it is certainly strong but not overbearing. Turning the headphones up on some of my favorite hip hop tracks was a pleasant surprise. There was more impact than I expected from an IEM but I did not find there to be any issue on most of the tracks I listened to. At high volumes a couple of the tracks on Raekwon's new album got a little distorted but I kind of expected it ahead of time. The headphones do lack the speed of my Lambda setup, even in the lower frequencies but I hardly consider that a fair comparison. They do better than any IEM I have tried to date on this front.

For most of what I listened to I did not find the vocals to be recessed at all. The only tracks I had an issue with were on the Rolling Stones album. I know there is a difference in the mastering but compared to other full sized phones the phones fell short here. For all hip hop and the recent rock / indie I had no issue. I really missed the high end presentation compared to what I am used to but the Turbine Pros surpassed all other IEMs I have owned on that front. I felt that the presentation was very natural overall and not like many reviews I had read about the older non-Pro version. I found that the overall balance was not too tilted in any way.

The soundstage presentation was very enjoyable to me and better than I would have expected from IEMs (against I have not listened to the super high-end models). Nothing seemed out of place and was well enough separated in the jazz albums. While I am not very experienced in writing reviews like this I can say that I know I like a headphone when certain songs give me chills where I expect them. These headphones certainly did that. While they don't match up to my home rig they are the best headphones I have heard to date portably and didn't have any glaring errors that I noticed. I certainly enjoyed listening to them and this opportunity has renewed my interest in IEMs and portable listening.
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