User Guide

www.etymotic.com
847-228-0006 • 888-389-6684
©2016 ER004576-B
Etymotic designs products to measure, improve and protect hearing and enhance the listening experience
of music lovers everywhere. Etymotic’s engineering team is led by founder Dr. Mead Killion, an audiologist,
engineer, inventor and jazz musician. Together, audio engineers, musicians and audiologists at Etymotic
have generated over 100 patents issued and pending.
Features
· Enhanced and extended bass
· Metal bodies with anodized fi nish
· Detachable cables allow for easy replacement
and customization
In the Box
· ER4XR earphones
· Detachable, 5-foot cable
· Foam and 3-fl ange ear tips
· Filter removal tool and fi lters
· Deluxe storage case
· Performance certifi cate
Specifi cations
Frequency Response 20 Hz – 16 kHz
Channel Matching Within 1 dB from 100 Hz – 10 kHz
Transducers High-performance,
balanced-armature micro-drivers
Noise Isolation 35 - 42 dB
Impedance 45 Ω
Sensitivity (@ 1 kHz) SPL at 0.1V 98 dB
Maximum Output (SPL) 122 dB
Cable Detachable, 5 ft
Warranty 2 years
CUSTOM•FIT Option ✓
User Replaceable Filters ✓
MSRP $349


130
120
110
100
90
80
20 100 1000
Frequency (Hz)
dB (SPL)
10000
ER4XR
ER4XR Frequency Response