Etymotic ER-4 Stereo Headphones-Audio Our price only $163.39

The Etymotic Research ER 4 MicroPro� earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. The ER�4s require NO batteries, and can be plugged into any audio source. Their external noise exclusion -- 33 dB with 3-flange eartips, 41 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. More Etymotic ER-4 MicroPro Info & Specification

More Etymotic ER-4 MicroPro Info & Specifications:

Product includes the full US manufacturer's warranty
Transparent, reference-quality sound
For audiophiles, performing musicians and recording engineers
For mixing, monitoring and critical listening
Accurate real-ear response
Unsurpassed isolation from outside sound
Frequency response: 20 Hz to 16 kHz 4 dB
Acoustic polarity: + electrical = + acoustic
Transducer type: dynamic
1 kHz sensitivity (ER-4P): 108 dB SPL for a .25v input
Impedance (ER�4P): 27 Ohms nominal
Maximum output: 122 dB SPL
Maximum continuous input (ER�4P): .75 Vrms
Weight: less than 1 oz.
Package Contents: ER�4 MicroPro earphones, 5 ft. cord with 3.5 mm stereo phone plug, 1/4" stereo phone adapter plug, Six 3-flange eartips, 10 foam eartips, Filter changing tool, 4 replacement filters, Shirt clip, Pouch, Storage box
Etymotic ER-4 MicroPro also known as: ER4P, 898234000411
Compuplus.com Pictures are for illustration purposes only.
Comp-U-Plus Return Policy: 30 days exchange or money back

Etymotic ER-4

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