Buy Etymotic Research ER4S MicroPro Reference EarphonesEtymotic Research ER4S MicroPro Reference Earphones Product Description:
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- Next best thing to live music with noise isolation far surpassing that of active noise-canceling earphones
- Hear the full dynamic range of recordings without having to play them at unnaturally high and unsafe levels
- The ER-4S comes with everything needed for audiophiles, performing musicians and recording engineers
- Assortment of ACCU-Fit eartips included to ensure proper seal and comfort
Product Description
The ERâ?¢4 MicroProâ"¢ earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. The ERâ?¢4s require NO batteries, and can be plugged into any audio source. Their external noise exclusion -- 35 dB with 3-flange eartips, 42 dB with foam eartips -- allows you to hear the full dynamic range of recordings without having to play them at unnaturally high and unsafe levels. The earphones come in three styles: ERâ?¢4B, ERâ?¢4S, ERâ?¢4P.
Customer Reviews
Most helpful customer reviews
100 of 115 people found the following review helpful.
be sure you get what you want
By Shakir A. Akbari
these earphones come in 3 types. the type being sold here are (type-s) are ment for home use with a stereo. etymotic makes a set of these made for portable use- the difference? the portables will sound fine from your portable cd player- the stereo set will sound great from your stereo be will be under powered from your portable device.
26 of 29 people found the following review helpful.Perfect for Traveling
By J. Bohner
My primary purpose for these headphones was for superior portable fidelity. These headphones exceeded all expectations.I have an Ipod which I have ripped my entire music collection using Apple Lossless format. Songs are quite large; typically 20Mb. But I cannot detect a difference.I spend a lot of time in the air. The Apple ear buds are pretty good and I was fairly satisfied using them, especially in the office or hotel room. But in the planes, I'd have to turn up the volume to just shy of full volume to drown out the ambient noise and it still washed out the details.I tried a friend's noise canceling headphones. It was an inexpensive pair (not the Bose). I could hear a small improvement. Not good enough.I considered the Bose. But before trying them, I wasn't willing to carry bulky headphones and batteries. Batteries are also needed to listen without the noise cancellation activated.So, after searching several Internet sites, I narrowed it down to Etymotic and Shure for: - High fidelity - SMALL package - No batteries - 30 decibel Noise Isolation through sealing (natural canceling)I did not test either before buying. I leaned toward the Etymotic mostly based on reviewer comments. I like the option to be fitted with a custom ear canal adapter like a hearing aid for a perfect fit.Likes1. Small package. Fits in included 1.5" x 3" x .5" pouch.2. Great noise reduction. I could only hear the person next to me talking if they spoke at normal levels a few inches from my ear in the plane. It seems to help cross country flights to reduce fatigue from the plane's noises.3. Foam fitting seals the best in my small ear canals for best bass ambient noise reduction. Rubber fittings can be cleaned but are larger.4. Sounds slightly better than my home system.5. Efficiency. Because so much ambient noise was reduced, I only play my Ipod at just over half volume for normal listening. This translates into longer play time. The ER-6 version is even more efficient.Dislikes1. Cable Noise. Every time the thick cable touches something like rubbing across your shirt, you can hear it. It sounds similar to lighting rubbing your ear.2. Too much noise canceling for some situations. I still carry my Apple ear buds for situations that I need to hear my environment around me like, walking on the street, in the office to hear the telephone or colleague, etc.One other point mentioned by many other reviewers is the feeling of it inserted in your ear. It feels like an overstuffed Q-tip. Inserting far enough is essential for adequate bass and detail. I wasn't sure it I'd like it or not and it did concern me when some described inserting it a few millimeters from my ear drum in a review. It's not in quite that far. Only other option is high-end sealed over the ear headphones. But, they are bulky, hot and not conducive to abuse on the road.Finally, ER4P or ER6. The ER6I is less expensive. But, the ER4P significantly outperforms the ER6 acoustically and through isolation. It also has an optional cable that converts it into the revered ER4S. I'm only going to buy one pair of head phones for home and away, so I chose the ER4. I've used them for about 4 weeks and will happily keep them.
12 of 12 people found the following review helpful.Great with iPod
By Ethan T. Bold
I've been using the Etymotic ER-4P for about 6 months and I find them indispensable. I spend 2-3 hours a day commuting by bus and train, and the combination of a 20GB iPod with my Etymotic ER-4P is an essential commute accessory. They reduce ambient noise (even nearby loud conversations and normal train noises) to a quiet rumble, such that I can listen to music without feeling like I have to crank up the music to drown out those ambient noises.I'm not an audiophile by any means, but I do listen to a lot of music. This setup (20Gb 3rd gen iPod + ER-4P) is by far the BEST listening environment I've ever experienced, way better than my crappy home stereo. The sound quality from these headphones, along with the acoustic isolation from outside noises, brings out parts of songs I've never heard before. I prefer listening to songs on these headphones over anywhere else, really.I can't compare these to the ER-6 or the ER-6i, etymotic's lower priced alternatives. I sprung for the ER-4P's without trying either of those, but I have no regrets spending the extra $100 on them. Like the other reviewer said, just make sure you get the ER-4P if you're getting these for portable listening, as its impedances are tailored differently for portable devices.These earphones do have to slide into your ear canal, which may freak some people out. I use the 3-flange tip (rather than the foam one, which felt kinda scratchy to me) and it took some getting used to. Allow yourself a few days to get over being weirded out by the feeling. And I'm not even going to get into the ear wax issues. ugh. Still, they're awesome.
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