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This is a thoughtfully designed product and so far it works great (I'll post an update if it breaks). I'm very pleased.
Sound: the sound is quite good, especially for a small, cheap pair of headphones. I am very pleased with the sound. Both bass and treble sound clear and strong and the sound seems accurate and well-balanced.
Fit: I am a small person and this product fits me comfortably but at the smallest setting, with the earpieces perhaps 1/4" lower than would be ideal but still quite comfortable. I don't think it would work on a child. There is plenty of room to adjust the headpiece larger by up to 2" more, so I imagine it will fit much larger heads, too. The blue band at the top of the headpiece is maybe silicon? Something kind of rubbery anyway. It seems to prevent the headphones from slipping because it is sticky (like rubber, not like honey). Very clever! The on-ear earpieces are covered in standard black foam stuff and are comfortable. If I wear the headphones for more than an hour my ears start to feel squished but if I push the headpiece farther back on my head, so the earpieces come just a little forward of my ear (resting a little more on my skull and less on my ear) then it solves that problem.
Cord, Connector & Volume Control: The split portion of the cord, coming from the earpieces to the volume control, is 16" long, so, on me, it hangs just below belly-button level, which seems like a convenient location to have the volume control. After the volume control is another 45" of cord to a very small-profile straight 3.5mm stereo jack connector. Looks like it would fit most mini-stereo applications even where space is tight. The volume control is medium-sized (about 2cm x 5.5cm) and has only a slider (for volume control - no other control buttons). The slider acts as a mute if you slide it to the far low end of its range. The slider action is smooth and noise-free. It comes with an adapter from 3.5mm stereo to standard 1/4" stereo jack, which is very thoughtful. Be advised, it comes with the 1/4" jack "installed" on the end of the connector, so if you don't need it, it just pulls off, revealing the 3.5mm jack.
Packaging: it comes in a cardboard box with a couple small paper inserts: the warranty and a multilingual reminder that it is illegal in the EU to throw out electrical devices in the trash (they must be returned to "public collection points" for recycling). Nice idea EU. We should do that in the US. There are also two molded plastic pieces that hold the headphones, the clear one made of PET (#1 plastic - yeah!) and the opaque one made of polystyrene (#6 plastic - boo!). Finally, there is a surprisingly large piece of plastic just for hanging the package up in a store and it has no recycling symbol on it (boo, hiss). You would think it would be easy for the cardboard box to have a hanger on it instead. So, very nice that most of the packaging is, at least theoretically, recyclable. My only complaints are about the unlabeled plastic and the polystyrene. Many localities do not have recycling options for #6 or for unlabeled plastic, so I would prefer plastic packaging be minimized and that any plastic used could be something more widely recyclable (such as #1). And before you criticize me for being too picky, be forewarned that plastic waste is getting broken into tiny pieces and floating around in the ocean and causing many problems, one of which is that it is ending up in sea salt products (see the Scientific American article, among others), so you might ask yourself if you want to be eating the plastic later (or feeding it to your kids and grandkids) or if you prefer to recycle it properly now. Just saying...
Warranty: It comes with a "limited lifetime warranty" which says, in part, that it covers "normal use by the initial user or purchaser" and warrants the product to be "free of any defect in materials". However, the terms are that you mail it to their factory in Wisconsin with a check for $9.00 and they can, at their option, refund your money or replace the unit, so that doesn't really sound like a warranty so much as buying a new one from the factory. You can check the details for yourself at www.koss.com if you want to know more. Sounds like the kind of warranty designed to encourage you to just buy a new one instead of exercising the warranty.
So, besides improvements to packaging recommended above, I have no complaints about the product so far and would recommend it confidently to others.
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This Item  Koss KTXPro1 Titanium On-Ear Portable Headphones, Volume Control, Ultra Lightweigt Design, Silver Black and Blue | Recommendations  |  |  |  |  | |
| Price | $19.99 | $39.99 | $29.99 | -24% $18.89 List: $24.95 | -9% $32.00 Typical: $35.00 | $59.99 |
| Delivery | Get it Oct 2 - 7 | Get it as soon as Friday, Oct 4 | Get it Oct 3 - 8 | Get it as soon as Friday, Oct 4 | — | Get it as soon as Friday, Oct 4 |
| Customer Ratings | ||||||
| Sold By | Koss Stereophones | Koss Stereophones | Koss Stereophones | Amazon.com | Amazon.com | Koss Stereophones |
| connectivity tech | Wired | Wired | Wired | Wired | Wired | Wired |
| headphones form factor | semi-open-back | On Ear | On Ear | On Ear | On Ear | On Ear |
| connector type | 3.5mm Jack | USB Type C | 3.5mm Jack | — | 3.5mm Jack | 3.5mm Jack |
| headphones jack | 3.5 mm;6.3 mm | 3.5 mm Jack | 3.5 mm Jack | 3.5 mm Jack | 3.5 mm Jack | 3.5 mm Jack |
| cable feature | Lightweight, portable headphones with adjustable headband In-line volume control and open, hear-through sound Straight, 4 foot, dual entry cord with 3.5 mm plug and 6.3 mm adapter Titanium layered diaphragm delivers accurate sound reproduction Frequency response delivers high quality sound performance Perfect for at-home and portable use Covered under the Koss Stereophones Limited Lifetime Warranty | Detachable | Retractable | Tangle Free | Retractable | Retractable |
| control type | Volume Control | Media Control | remote control | Media Control | Media Control | Volume Control |
| material | — | Stainless Steel | Plastic | Stainless Steel | Metal | Faux Leather, Silicone |
| model name | DJ-Style | KPH40 Utility Parent | KPH30iCL | FLATS with Mic | Retro On-Ear Headphones | Porta Pro |
| frequency range | 15 Hz - 25 kHz | 20 Hz - 20,000 Hz | 20 Hz - 20,000 Hz | — | — | 15 Hz - 25 kHz |
Product Description
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A True Classic
KTXPRO1 delivers an affordable, expansive listening experience all in a durable, timeless design.
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The Sound of Koss
Koss 60 Ohm drivers produce clear and balanced sound, with crisp highs and warm, rich bass tones.
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Built to Last
KTXPRO1 features a robust construction that can withstand the rigors of daily use.
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Expansive Audio
KTXPro1 features an open-air design that delivers an impressive, expansive soundscape.
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Lightweight Listening
With it's ultra lightweight design KTXPro1 with feel virtually weightless on your ears.
Legendary Sound
Koss 60 Ohm Titanium Coated drivers deliver a wide frequency range from 15-25,000Hz producing audio with incredible clarity and depth.
Silicone Sling
KTXPro1 features an adjustable headband with a soft silicone head sling that provides hours of fatigue-free listening
Control Volume
Adjust volume on-the-go with a convenient in-line volume controller.
Built to Last
Engineered on a rugged and durable design, KTXPro1 is build to withstand the rigors of daily use.
BIG IN SOUND. Light in Weight.
Hearing is Believing
Hear every note and nuance thanks to Koss Dynamic Titanium coated drives and Neodymium iron boron magnets that deliver deep bass performance for an extended frequency response of 15,25,000 Hz.
Comfort Like You've Never Felt
The Koss KTXPro1 lightweight design ensures hours of fatigue-free listening, making them perfect for extended use. The adjustable headband and soft ear cushions provide a secure fit, so you can enjoy your music without distractions.
More Products From Koss
 KTXPro1 |  Porta Pro |  Porta Pro Limited Edition |  Porta Pro Utility |  KPH40 Utility |  KPH30i |  KSC75 | |
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Customer Reviews
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3,430
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16,772
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Price
| $19.99 | $49.00 | $59.99 | $49.99 | $39.99 | $29.99 | $19.99 |
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Headphone Type
| On Ear | On Ear | On Ear | On Ear | On Ear | On Ear | Ear Clip |
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Connection
| 3.5mm | 3.5mm | 3.5mm | Utility Series | Utility Series | 3.5mm | 3.5mm |
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Utility Series
| — | — | — | 3.5mm, USB-C & Lightning | 3.5mm, USB-C & Lightning | — | — |
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Audio Controls
| In-Line Volume Remote | — | In-Line Remote | Utility Cord Remote | Utility Cord Remote | In-Line Remote | — |
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Microphone
| — | — | In-Line Remote | Utility Cord Remote | Utility Cord Remote | In-Line Remote | — |
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Noise Cancelling
| — | — | — | — | — | — | — |
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Adjustable Headband
| Yes | Yes | Yes | Yes | Yes | Yes | — |
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Collapsible
| — | Yes | Yes | Yes | — | — | — |
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Carrying Case/Pouch
| — | Carrying Pouch | Hardshell Case | Carrying Pouch | — | — | — |
From the brand
The Original American Stereophone Company
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In 1958 John C. Koss changed the way we all listen to music when he invented the world's first SP/3 stereophone.
Koss sought to replicate the excitement of a live musical performance, allowing listeners to experience sound as they had never before, bringing them closer to the music they love. Music lovers around the world recognize that dedication to accuracy in sound reproduction as: The Sound of Koss
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Birth of the Stereophone
Before the world's first SP/3 Stereophone in 1958, John C. Koss developed a portable stereo photograph player with side-wing speakers.
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World's First SP/3 Stereophone
in 1958 John C. Koss invented the world's first SP/3 Stereophone introducing personal stereo audio to the world.
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SP/3X
In 1960 Koss released the predecessor to the SP/3 with a lighter design, more comfortable headband and superior sound quality.
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Pro/4AA
In 1970 Pro/4AA set the standard for full-size professional headphones delivering true full frequency performance.
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Koss World Headquarters
On June 25, 1971 John C. Koss unveiled the new Koss World Headquarters in Milwaukee, Wisconsin.
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HV/1A
In 1974, Koss released the HV/1A the first dynamic headphone capable of reproducing all 10 audible octaves.
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Porta Pro
In 1984 the acclaimed Porta Pro was released and set performance and comfort standards worldwide for decades to come.
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JCK/300 Kordless System
In 1989 the JCK/300 Kordless Headphone system set the standard for infrared wireless headphones.
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ESP/950
In 1990 Koss's revolutionary ESP/950 electrostatic headphones introduced breakthrough high-fidelity sound.
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Pro4S Studio
Carrying on the legacy of the Pro/4 line, 2014's Pro4S Studio Headphone was specifically designed for audio professionals.
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KPH30i
In 2017 Koss released the acclaimed KPH30i featuring an ultra-light weight design with remarkable high-fidelity sound.
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Utility Series
In 2021 Koss Utility Series introduced three new headphones allowing listeners to connect via Lightning, USB-C and 3.5mm.
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True Wireless Earbuds
In 2023 Koss continued it's evolution of wireless headphones with the TWS250i True Wireless Earbuds.
Explore more from Koss
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Fantastic & A Favorite!
The Koss KTXPro1 headphones have been an audiophile favorite for many years and I bought these based on many recommendations back in late 2016. It is now June 2020 and I figured it was high time I wrote a review of these - seeing as I've got plenty of time at home now, what with the Covid-19 pandemic in full swing.In a word: Fantastic.These headphones have been hard-working since I bought them, playing everything from music to watching movies (more on that in a minute) - and have delivered sonic performance I have not encountered in other similarly priced headphones which usually sound tinny and muddied. The KTXPro1's are nowhere close to the reproduction performance of a several-hundred-dollar pair of cans that a small fraction of the populace would go to the lengths to enjoy, let's just be clear about that - but they most certainly afford you a pleasurable listening experience that I honestly think is the best out there for cheaper open back headphones on the market.The Titanium drivers of the KTXPro1 offer smooth treble that is clean and free of sharp-sounding highs, a mid-range that is robust and capable of heavy crunchiness and vocals which sound full and natural, and a bass that has a good extension and can be really decent for a small set of headphones. I have enjoyed everything from classical, to pop and heavy metal on these, and honesty they have been able to produce music which is surprisingly better than other headphones I've had costing three or more times as much.The sound stage on these is pretty neutral - so unless you're doing some type of analytical listening or really need a full surround-sound effect going on aurally, these are fine.Comfort and durability is something important to mention, especially after going over what others have said about this set of headphones since I myself bought them.In 2016 my mother began to lose her hearing. Not dramatically, but it was becoming harder for her to hear things like dialogue in movies or programs on TV, which was disappointing because she and I like to watch the occasional movie together - and it was sad to me that she was struggling the hear what was going on between characters in the middle of a scene with other sounds going on around them, as example, and I wanted to try and help get some of the enjoyment back to replace the frustration she was having.I bought a TV with a headphone-out on it (see note at end of this review), a long 3.5mm cable, Y-splitter, and finally I needed two headphones that would allow her and I to adjust the volume on each headphone independent of one-another...which lead me to the Koss KTXPro1's.These use a simple up-down slider dongle on the attached cord so it is not only very easy to adjust quickly, it's also capable of any range between 0 and 100 percent. Other headphones use click-up or click-down buttons which are hard for elderly hands to operate and they may only have 8 or so volume settings so you don't actually get a nice "anywhere in-between" range like you can get on the KTXPro1's.If I had any complaint about the volume control, it'd be that I wish the slider switch itself was a different color so you could quickly tell which side of the smooth-feeling oval dongle has the slider on it. (pro-tip: put a little modelers paint on it, say, white, and let it dry. Takes care of that issue).With the volume controls of these, I can listen to a movie at my comfort level and Mom can adjust it to something a bit louder she can hear and enjoy. Grand. Makes it very comfortable to enjoy everything.Physical comfort is nice too - the headband provides a fairly easy non-slip surface so the headphones sit comfortably on your head, though if you have a really small head you may find that they can slip off a bit easier and Mom found out they are difficult to wear with curlers on.The headphones sit squarely on your ears, and if you have these on for a long long time - say, 4 or so hours at a stretch if you and Mom are enjoying a "Lord of the Rings" movie-marathon, they can develop hot-spots on your ears and you may have to take them off for a bit and go make another plate of snacks and a rum & coke to give your ears a break.It's possible if the speakers on these were able to rotate along the horizontal plane with a swivel built into the headband, that may increase comfort - but alas, Koss omitted this ability from the KTXPro1 headphones. While the speakers on these do display a range of play with the swivel on the ends of the headband, it's completely in the near-vertical orientation and can still put pressure on the back and sides of your ear after a long time being worn.For a single two-hour or so session, I have had no complaints with discomfort - but everyone's ears are designed a bit differently - your mileage may vary.I will mention that the ear cushions on the headphones I wear, one of them has torn and disintegrated mostly. After having had them for 3.5 years. Good thing I can replace them with a set of Koss replacement cushions for about $5 bucks on Amazon here. Cheap enough.For $20 dollar headphones you'll find no brushed aluminum or carbon fiber here. The construction of these looks pretty plasticky - though I hesitate to use the word "cheap". I've bought cheap headphones before that LOOK really cheap... the KTXPro1's however manage to appear a little lower price with the matte silver & dark grey plastic headband and non-braided cord, without being embarrassingly cheap and crusty looking.Sure, they creak a bit when handled but they're noiseless when worn.These KTXPro1's have served Mom and myself very well thus far. They still perform great. Sound and dialogue in movies and listening to music is a pleasure with these. The volume sliders still work fine. No problems with the cables, plugs or anything else other than that as-to-be-expected torn ear cushion. (My head's a little fatter than Moms, so that probably explains why mine went first). I'd rate the durability of these as excellent.I've plugged-in and unplugged these many times and she and I have used them to listen to things not just on the TV but also on her iPad, my laptop, we've taken them out with us on the road, and they continue to serve as her in-house / go-to headphones.I haven't felt the need to buy anything else in almost 4 years after getting these, so I think that says a lot right there. Very happy with these.END Notes:1: Being open-backed headphones, some have asked "can other people hear music coming out of these when you have them on?" - the answer is yes...but if you're listening with these on at a normal volume, they're not annoying to be sitting next to. Unless you REALLY have the music cranked up, then I guess yes, some might find it annoying. If the surroundings you're sitting in are very quiet, people around you will hear these more. What I find good about these being open backed, is that while we're watching a movie with these on together, my Mom and I can make comments about scenes if we speak aloud to one another and chuckle over stuff without having to pause the film or take them off completely. That's the trade off I guess.2: For those of you interested, I've had questions about the twin-headphone setup I did for Mom and myself.After getting these Koss headphones, it's pretty easy to find a long enough 3.5mm cable and a Y-splitter to stretch the distance of the headphones to your TV. The trick is to be sure the TV you have or plan on getting has a genuine HEADPHONE OUT jack and not just a Line Out / Line Level Out / Audio Out/ Line Audio Out jack if you are planning to hook the two headphones and long cable DIRECTLY into your TV.A Headphone Out jack has a lower impedance and can drive one or two headphones directly and you can control the TV volume reaching the headphones with the remote in most cases. The other type of jack is really designed to take the TV audio signal and connect it to a receiver which then handles the volume and allows the attachment of things like headphones.So yeah... if your TV volume is going through a receiver, you probably already have a dedicated headphone out jack on the back of the receiver. If you're planning on hooking the cable and headphones directly into the back of the TV with no receiver, best to be sure your TV has a Headphone Out jack that allows you to control the volume of the TV in the headphones.In conclusion, I've been extremely happy with these Koss KTXPro1 headphones, would recommend a pair to anyone looking for a pair of great sounding headphones costing about 20 bucks. These certainly surprised me with the good performance at such a decent price.
Top reviews from the United States
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Reviewed in the United States on November 15, 2015
Reviewed in the United States on June 19, 2024
Reviewed in the United States on April 18, 2023
This is a reasonably decent sounding pair of low-cost, open-air headphones. For the money, i have no complaints. They are lightweight and comfortable on the head. Good high frequency reproduction. Not overly bassy.
Capable of very decent (but not stellar) music reproduction. I bought them primarily for vocal monitoring and audio calling, for which they are excellent. They do outperform similarly priced headphones for music, however, and their 15-25,000 Hz frequency response sounds noticeably clearer, cleaner, and better than three competitors i tried (including Sony); even those with similar spec's.
The volume slider is crude; not capable of fine tune control, but useful nonetheless. A dial control would be better, however.
If only headphones at this price-point existed, these would be five star. But higher quality headphones do exist, so can't in good conscious give these (or any low cost headphones) more than four stars.
They fit well. At first i didn't think so, but realized the fault was mine for not adjusting the height properly. Also, unlike many headphones, it is very noticeable (and awkward/uncomfortable) if you put them on backwards; pay attention to left & right!
Open-air headphones have the advantage of being lightweight and more comfortable than over-ear designs, while allowing one to monitor what's going on around them in their environment. In noisy environments, however, this may be a disadvantage.
Capable of very decent (but not stellar) music reproduction. I bought them primarily for vocal monitoring and audio calling, for which they are excellent. They do outperform similarly priced headphones for music, however, and their 15-25,000 Hz frequency response sounds noticeably clearer, cleaner, and better than three competitors i tried (including Sony); even those with similar spec's.
The volume slider is crude; not capable of fine tune control, but useful nonetheless. A dial control would be better, however.
If only headphones at this price-point existed, these would be five star. But higher quality headphones do exist, so can't in good conscious give these (or any low cost headphones) more than four stars.
They fit well. At first i didn't think so, but realized the fault was mine for not adjusting the height properly. Also, unlike many headphones, it is very noticeable (and awkward/uncomfortable) if you put them on backwards; pay attention to left & right!
Open-air headphones have the advantage of being lightweight and more comfortable than over-ear designs, while allowing one to monitor what's going on around them in their environment. In noisy environments, however, this may be a disadvantage.
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Geert Jansen
Top 100 Koptelefoon. Wat vreemd uiterlijk maar concertgebouw geluid.
Reviewed in the Netherlands on March 19, 2023
