Backed by decades of research and development for the ear
World leader in sound reproductionUnsurpassed frequency response accuracy and sound quality — 92%+ response accuracy from 20 Hz – 16 kHzThe only earphones with balanced-armature, precision-matched, custom-tuned driversHighest output sensitivity in its classTimeless style and fit
Professional quality and reliabilityAn assortment of noise-isolating eartip options to ensure proper seal and comfortCUSTOM•FIT option availableHighest noise isolation
First earphones to completely seal the ear98% (35 dB - 42 dB) noise isolation —highest of any earphones or headsets on the market todayReduction of outside noise reduces the risk of listening at unsafe levelsBest durability and warranty
2-year replacement warrantyUser-replaceable filters protect the balanced-armature drivers from ear waxWhat’s In the Box?EarphonesDetachable, 5 ft. cord with 3.5mm gold plated stereo plug¼” stereo phone adaptorAssortment of eartipsFilter removal tool and replacement filtersShirt clipZippered storage casePerformance certificate
- FOR MUSIC LOVERS - Balanced-armature drivers are precision-matched and custom-tuned to within an industry leading 1dB across frequencies from 100Hz to 10KHz.
- VERSITLE & DURABLE - Detachable 5 ft. cord with 3.5mm gold plated stereo plug is Kevlar reinforced for durability and braided for extremely low microphonic effect.
- AUDIOPHILE APPROVED - Uncompromising accuracy in the midrange and high frequencies, extended bass response for extra presence in the lower range.
- LONG LASTING - User-replaceable filters protect the balanced-armature drivers from ear wax. An assortment of noise-isolating eartip options ensure proper seal and comfort. 2 year replacement warranty.
- INCLUDES - Etymotic Research ER4XR In-Ear Monitors, Blucoil Earbuds and Blucoil 6-ft 3.5mm headphone extender.
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