Etymotic ER4SR Studio Reference Earphones

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SoundPro Item: 89740

MPN: ER4SR

Description
Specifications

ER4SR is Etymotic’s new reference standard hi-fidelity earphone, for those who demand nothing less than the highest fidelity. The next generation of our long revered flagship earphone, the ER4S, the ER4SR delivers increased accuracy with greater sound output, or sensitivity. Like its predecessor, the ER4SR channels are matched within an industry-leading 1dB across frequencies from 100Hz to 10 kHz. The new ER4SR incorporates significant cosmetic and functional improvements, from a sleek, anodized and laser-etched aluminum body to the reinforced, user-replaceable detachable cable. The ER4SR is a must have for discerning engineers, audiophiles, and consumers wanting the most accurate in-ear earphone available.

Etymotic ER4SR Features

Unsurpassed frequency response accuracy and sound quality — 92%+ response accuracy from 20 Hz – 16 kHz
The only earphones with balanced-armature, precision-matched, custom-tuned drivers
Highest output sensitivity in its class
Professional quality and reliability
An assortment of noise-isolating eartip options to ensure proper seal and comfort
CUSTOM•FIT option available
First earphones to completely seal the ear
98% (35 dB - 42 dB) noise isolation —highest of any earphones or headsets on the market today
Reduction of outside noise reduces the risk of listening at unsafe levels
2-year replacement warranty
Braid-reinforced cable for extremely low microphonic effect
User-replaceable filters protect the balanced-armature drivers from ear wax