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(In stock)
BRAND NEW ITEM! AUCTION DESCRIPTION BRAND NEW! SEALED! Retail Packaged. ER-4P earphones have enhanced bass and higher sensitivity. ER-4Ps can be used ... More at eBay
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FREE FEDEX 2-3 DAY DELIVERY (In stock)
The ER4P MicroPro earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. More at PCNation
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Get free shipping on orders ov... (In stock)
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... More at Amazon
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ORDER NOW GREAT PRICE (In stock)
The ER4P MicroPro earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. More at Buy.com Marketplaces
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Fantastic prices with ease & c... (In stock)
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... More at Amazon Marketplace
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Brand new & in stock! (In stock)
The Etymotic Research ER 4 MicroPro™ earphones are the next best thing to live music; with noise isolation far surpassing that of active noise-cancel... More at Compuplus.com
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(In stock)
The ER4P MicroPro earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. Main ... More at RitzCamera.com
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(In stock)
The ER4P MicroPro earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. Main ... More at cameraworld.com
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(In stock)
The ER4P MicroPro earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. Main ... More at WolfCamera.com
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30% to 50% OFF Lighting and Fa... (In stock)
The ER-4P MicroPro noise-blocking earphones from Etymotic Research offer realistic sound reproduction and noise isolation that far surpasses that of a... More at Home Depot
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30-Day Money Back Guarantee (In stock)
noise isolation far surpassing that of active noise canceling earphonestransparent reference-quality sound frequency response: 20hz-16khz 4dbimpedance... More at UnbeatableSale, Inc.
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etymotic micropro er4p portabl... (In stock)
The coolest thing to liven up music, with noise isolation far surpassing that of active-noise-reduction earphones. Require NO batteries, and can be pl... More at eCOST.com
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(In stock)
The ER4P MicroPro earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. Main ... More at PhotoAlley.com
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Where Shopping Revolves Around... (In stock)
. Pillow retail pack. Noise isolation far surpassing that of active noise canceling earphones. Transparent, reference-quality sound. Frequency respons... More at Sears
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