Few companies make in-canal earphones as superb as Etymotic’s: the company’s low-end ER-6 and mid-range ER-4 headsets are past iLounge Best of Year award winners, and still amongst our very favorites despite increased competition. Both users and other companies have long recognized Etymotic’s quality—so much so, in fact, that when Etymotic didn’t have its own iPhone-specific headset ready for a 2007 release, an entrepreneur started selling modified ER-6s just to cater to the demand.

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