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Etymotic Research ER4P MicroPro Noise-Isolating In-Ear Earphones (Discontinued by Manufacturer)
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- Highest noise-isolating earphones on the market
- Reduction of outside noise reduces the risk of listening at unsafe levels
- Designed for audiophiles, musicians and sound engineers
- Assortment of ACCU-Fit eartips included to ensure proper seal and comfort and 1/4 inch stereo adapter
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From the manufacturer
Etymotic Research, Inc. is an engineering-driven research, development and manufacturing company. The name 'Etymotic' (pronounced 'et-im-oh-tik') means 'true to the ear'. Innovation, education and hearing conservation are central to Etymotic's mission.
Etymotic ER4 microPro Series Earphones
In-Ear Invented Here.
Etymotic invented noise-isolating, in-ear earphones. Etymotic's original design, developed for auditory research and hearing testing, used balanced-armature receivers and established these speakers as the gold standard for high-definition, in-ear earphones.
- Braided cable for reduced microphonic effect.
- User replaceable filters protect drivers from ear wax and other debris.
- 3 models designed to meet your specific listening needs.
Etymotic designs products to measure, protect and improve hearing, and enhance the listening experience of music lovers everywhere. Audio engineers, musicians and audiologists at Etymotic have generated over 100 patents issued and pending.
Why In-Ear Monitors?
True high-fidelity requires reproduced sound to be as close as possible to the sound of a live performance. Etymotic's earphones have the highest response accuracy of all in-ear earphones.
In The Box
- ER4 microPro earphones.
- Assortment of eartips.
- Filter removal tool and replacement filters.
- Shirt Clip.
- Carrying Case.
- Exclusive channel-matching compliance graph signed by the Etymotic engineer who precision matched and custom tuned the balanced-armature drivers.
Which ER4 microPro is right for you?
ER4B earphones are for the binaural recording enthusiast. Ideal for use with material that has not been equalized for loudspeaker playback.
ER4S earphones are designed to compensate for the high frequency emphasis in recordings. Performing musicians often use them because the response matches that of most monitor loudspeakers. Popular with musicians, recording engineers and audiophiles, ER4S can be used with a headphone amplifier if desired.
ER4P-T Portable Travel
ER4P-T is intended for sound engineers and audiophiles in constant motion and can be used with portable devices without an additional amplifier. Compared to the ER4S, the ER4P-T has 10dB greater output at high frequencies and 13dB greater output at low frequencies.
Compare to similar items
This item Etymotic Research ER4P MicroPro Noise-Isolating In-Ear Earphones (Discontinued by Manufacturer)
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|Sold By||Available from these sellers||AUDIO EQUIP||AUDIOLAB - Since 1958||Etymotic Research||Lend Me UR ears Singapore||Electronics Expo|
|Item Dimensions||2 x 6.8 x 6.5 in||1.18 x 0.39 x 0.39 in||2 x 3.75 x 6.5 in||7.25 x 1.5 x 6 in||1.6 x 9.2 x 4.6 in||8.6 x 6.69 x 0.79 in|
The ER-4P MicroPro noise-blocking earphones from Etymotic Research offer realistic sound reproduction and noise isolation that far surpasses that of active noise-canceling earphones.
From the Manufacturer
From the Manufacturer The ER-4P MicroPro noise-blocking earphones from Etymotic Research offer realistic sound reproduction and noise isolation that far surpasses that of active noise-canceling earphones. The ER-4P earphones--which require no batteries--can be plugged into any audio source. They can be used with portable CD, MP3, DVD, and other players without an additional amplifier.
The ER-4P earphones were designed to match the response of the ear, creating nearly perfect sound reproduction. They reduce external sound naturally by sealing your ear canals, without the added weight, bulk, or external power supply required for active noise-canceling. Their external noise exclusion (up to 33 dB using the supplied 3-flange eartips and 41 dB with foam eartips) lets you hear the full dynamic range of recordings without your having to play them at unnaturally high and unsafe levels.
The ER-4P comes with everything needed for audiophiles, performing musicians and recording engineers .
See how the ER-4P measures up in response accuracy.
ER-4P earphones can be used with portable CD, MP3, DVD and other players without requiring an additional amplifier. As compared to the ER-4S, the ER-4P has 10 dB greater output at high frequencies and 13 dB greater output at low frequencies. The higher sensitivity and enhanced bass of the ER-4P have made it the most popular earphone for most uses.
Noise reduction with ER-4 MicroPro earphones occurs naturally from the inserts. Other earphones with active noise-cancelling add circuit noise and require bulky batteries.
In-the-ear, high fidelity transducers combine flat frequency response with isolation from external noise.
The white 3-flange eartips provide 35 dB average external noise isolation. Foam eartips provide 41 dB average external noise isolation. Lowering surrounding noise allows the listener to hear the full dynamic range of recordings at lower reproduction levels.
ER-4 MicroPro earphones are ideal for a variety of consumer uses such as personal CD and DVD players, MP3 players, and computers. Professional uses include mixing and stage monitoring in the studio and during live performance.
What's in the Box
ER-4P MicroPro earphones, a 5-foot cord with 3.5 mm stereo phone plug, a .25-inch stereo phone adapter plug, six 3-flange eartips, 10 foam eartips, a filter-changing tool, 4 replacement filters, a shirt clip, a zippered pouch, a storage box, a user's manual, and warranty information.
Top customer reviews
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At first, they were slightly uncomfortable, but not a deal breaker. If I leave them in for a complete 4 hour gig, it's slightly irritating to remove them from my ears.
I haven't experimented with the foam inserts much yet, but they seem a bit more comfortable.
Sound wise, the bass is light, but I can hear everything clearly and quietly which is why I purchased these. After playing a dozen gigs or so, I am very happy with this purchase.
The ER4PT seems to come with the adapter to turn these into the ER4S (100Ω impedance as opposed to 27Ω--this may prove useful if you use an amp or have a slightly noisy output). The price hasn't changed much over the years so it's nice to see them tossing this into the package now (or maybe it was a mistake in my box). You'll spend a bit of cash on different tips and replacement filters over the years. Etymotic offers a really affordable custom-fit option too which I'll probably use soon.
If you absolutely need a microphone, consider some third-party cables from manufacturers like null-audio. Although the cable isn't touted as replaceable, the cables actually have a 2-pronged plug that plug into the back of the drivers and if you're careful, you can remove them (especially using your thumbnail, etc.).
--Jack/connection started failing after 3 months.
--I wish the cable was more floppy. Most oxygen free cable is pretty floppy. I don't know if they are using a stiff coating or stiff cable, but it's annoyingly stiff.
I wish I could rate sound quality and reliability separately. These are excellent sounding earphones worthy of 5 stars. No question about it. And, these are great on airplanes as there is good insulation from outside noise allowing you to hear a lot of detail in your music (assuming you are listening to loss-less files and especially if you have a DA Converter mod on your iPod).
I am the kind of guy who listens to music at home through high end DA converters and reference monitors all wired via Canare cable and Neutrik jacks. When I record, I use the hyper-accurate DACS Clarity pre-amp. I am nutty about clarity and detail and I am nutty about paying more for the best - and that includes gear that is performs well but also is well built.
That's where my issue is on the pair I have. I take care of things I own and am well aware of how to treat cables and stress areas where cables meet jacks. I bought these for the airplane as I was commuting to another city. So that's two uses per week (2 flights per week). When they were not in use, they were put in a plastic box to prevent them from getting damaged. So it was annoying to me that I got intermittent failure of one of the stereo sides and have to move the cable by the jack area to get a stereo signal. They did this after about 3 months but I put up with it, not having time to deal with it. After I stopped commuting another 5 months later at the end of 2012 and never used them again. I recently went to use them and thought - I'll ask the company what they charge to fix them. This is the fee schedule.
ER4 Service Fees are:
Includes testing, cleaning, new eartips, new filters and transducer replacement (one or both): $85
Cable replacement only: $50
Transducer and cable replacement: $130
I understand they are out of the 2 year warranty now, and I totally understand that a company cannot service products for free. I don't fault them but I find it REALLY ANNOYING since I am such a careful person and since this kind of failure is the kind of thing you get from Radio Shack patch cables. I also do wish the cable would just lie flat like a good audio cable does. I don't know if that has something to do with their twisting for RF/noise rejection or not but it's a stiff cable. It does not feel twisted under there.
I could, so I did... The HF-5s were bought first. Amazing!!! So much so, that I got the ER4s because I could less that six months later. As mentioned above, the isolation is not as complete, so I used the HF-5s much more often. Therefore, they got burned-in much sooner. Two years in and both sets have settled into a delicacy that is better than new. You will not get all you can from these without adjusting the EQ of your playback for your own hearing. A 10-band equalizer function will probably not be good enough - and you will be adjusting the curve constantly as the education of your ears progresses, the IEMs burn in, and your preferences develop.
With my iPhone I use the HF-5s and an app called EQu *****. With the laptop and ER4s I use Fidelia, also *****. I use ALO brand amps and DACs. But really, the iPhone6s with HF5s don't need an amp. My guess is that ALL computers will benefit from an external DAC - but the REAL GAME-CHANGER is using the right software to realize all you can from your digital sources.