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ER•4 MicroPro™ Earphones |
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Next Best Thing to Live Music
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 Transparent,
reference-quality sound
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For audiophiles, performing musicians and recording engineers
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For mixing, monitoring and critical listening
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Accurate real-ear response
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Unsurpassed isolation from outside sound
The
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 -- 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:
ER•4B, ER•4S, ER•4P.
System Includes
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ER•4 MicroPro earphones
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5 ft. cord with 3.5 mm stereo phone plug
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1/4" stereo phone adapter plug
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Six 3-flange eartips
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10 foam eartips
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Filter changing tool
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4 replacement filters
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Shirt clip
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Pouch (not shown)
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Storage box
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ER•4 MicroPro is a trademark of Etymotic Research, Inc. The ER•4 MicroPro Earphones are covered by one or more of the following U.S. patents: #4,677,679, #4,763,753, #5,887,070, RE38351 and other patents pending.
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