Etymotic ER4XR Extended Range Earphones
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Super clear, sounds great ER·4XR is the in ear monitor for music lovers and hi-fi enthusiasts who want uncompromising accuracy in the midrange and high frequencies, but appreciate a bit of extra presence in the lower end. Like the ER·4SR, the ER·4XR is built with precision machined, anodized and laser-etched aluminum bodies and features user-replaceable detachable cables. The ER·4XR also incorporates the stringent channel-matching standard used in the ER·4SR. The ER·4XR is ideal for anyone looking for exceptional sound quality with just the right amount of low-end enhancement. Included with every pair of ER·4XR in ear monitors is an industry-exclusive channel matching compliance graph signed by the Etymotic engineer who precision matched and custom tuned the balanced-armature drivers. Every pair of ER·4XR earphones is assembled and tuned in the United States.
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