Enjoy optimal music clarity with these Etymotic extended-response earphones. A frequency response rate of 20Hz - 16kHz ensures uniform sound within a wide range, and a maximum output of 122dB lets you crank the music loud. These Etymotic extended-response earphones are noise isolating to reduce surrounding sounds for better clarity.
Fits securely and directs music into your ears for full, uninterrupted audio.
Helps minimize background sounds.
Enables flexible connection options.
20Hz - 16kHz frequency response
For faithful sound reproduction.
45 ohms impedance
To efficiently conduct power.
Provides powerful audio.
Delivers crisp tones.
Storage case included
For easy portability.
Keeps the headphones in place as you move.
Etymotic ER4 XR Extended Response
Storage case, filter kit, clothing clip, 3 pairs of ear tips, 3.5 mm to 6.3 mm adapter