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Etymotic Research

Etymotic ER4 / HF / MC Series Filters

If your Etymotic ER-4 series (ER-4B, ER-4P, ER-4S), HF2 / HF3 / HF5 or MC2 / MC3 / MC5 in-ears are sounding muffled, distorted, or one channel has gone dead, chances are the problem is a filter that needs replacement. These tiny, green filters keep the drivers of your Etymotics protected from earwax and other debris, while at the same time replicating the pinna reflections of the ear ensuring the legendary Etymotic sound. They come in packages of 6 (3 pairs). Note: The ER4 Filter Removal tool is necessary for the replacement process. If you have misplaced yours be sure to grab one HERE.

Product Features:

  • Fits Etymotic ER-4, HF, and MC series in-ear models only

Whats In The Box:

  • (6) Etymotic ER4/ HF/MC series earpiece filters
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