Etymotic Hi-Fi Noise Isolating Earphones

• Accurate frequency response and sound quality, 92%+ response accuracy from 20 Hz – 16 kHz
• Balanced-armature, precision-matched, custom-tuned drivers
• Highest output sensitivity
• Professional quality and reliability
• An assortment of noise-isolating eartip options to ensure proper seal and comfort
• High noise isolation
• Completely seal the ear
• 98% (35 dB - 42 dB) noise isolation
• Reduction of outside noise reduces the risk of listening at unsafe levels
• User-replaceable filters protect the balanced-armature drivers from ear wax
• Dimensions: 6.12”x2.38”x9.25”
• 2 year warranty from Etymotic Research

Model ER4SR

• Provide high sound fidelity
• Increased accuracy and greater sound output and sensitivity
• Sleek, anodized, and laser-etched aluminum body
• Reinforced, user-replaceable, detachable cable

Model ER4XR

• High accuracy in the mid-range and high frequencies
• Extra presence in the lower end sound
• Features a precision-machined, anodized, and laser-etched aluminum body
• User-replaceable detachable cable
• Incorporates stringent channel-matching standard

In the box: earphones, detachable 5 ft. cord with 3.5mm gold-plated stereo plug, 0.25’’ stereo phone adapter, assortment of eartips, filter removal tool and replacement filters, shirt clip, zippered storage case, performance certificate

Headphone Buying Guide

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