Etymotic ER4S

Etymotic ResearchEtymotic Research ER4S MicroPro Reference Earphones
CE (Etymotic Research)
List Price: $299.99
Price: $188.64
You Save: $111.35 (37%)
  • Weight : .7<br />
  • 0.70

Etymotic ResearchEtymotic ER-4P Portable In-Ear Earphones
CE (Etymotic Research)
List Price: $299.99
Price: $179.90
You Save: $120.09 (40%)
  • Noise isolation: 35-42 dB
  • Maximum output: 122 dB SPL
  • Weight: less than 1 oz.
  • Response accuracy: 86%
  • Frequency response: 50-10 kHz ± 2 dB; 20-16 kHz ±4 dB

Etymotic Directory

Etymotic ER-4S @ HeadRoom - Right Between Your Ears
The ER4S delivers a very well-extended midrange & ultra-clear treble response ... The high-impedance, single microdriver Etymotic ER-4S provide excellent sound ...

PROVANTAGE: Etymotic Research Inc. ER4S ER-4S Earphones Stereo Box
Get Fast Service & Low Prices on ER4S Etymotic Research Inc. ... Etymotic Research Inc. ER-4S Earphones Stereo Box. Manufacturer Part# ER4S ...

Etymotic ER4S - Noise Isolating Reference Earphones Stereo - ER4S - Buy.com
The ER4s require NO batteries, and can be plugged into any audio source. Their external noise ... Manufacturer: Etymotic. Mfg Part#: ER4S. UPC: ...

Etymotic er4s - Shopzilla.com
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A Small Headphone Survey, or Banging on Three Sets of Cans ...
A Small Headphone Survey, or Banging on Three Sets of Cans: Beyerdynamic DT831, Etymotic ER4S, and Sennheiser HD600 - Enjoy the Music.com Review Magazine