Specifications
General Info
Manufacturer
Etymotic Research, Inc
Manufacturer Part Number
ER4S
Manufacturer Website Address
www.etymotic.com
Brand Name
Etymotic
Product Line
MicroPro
Product Series
ER-4
Product Name
MicroPro ER-4S Stereo Earphone
Marketing Information
ER-4S Stereo earphone have the most accurate frequency response for reproducing CD and MP3 recordings. The sensitivity is comparable to home and professional earphones. ER-4S Stereo earphone are ideal for home stereo use and computer use. ER-4S Stereo earphone can be used with a Earphone amplifier when using low power portable devices. ER-4S is the earphone preferred by musicians and audiophiles.
Product Type
Earphone
Interfaces/Ports
Host Interface
Mini-phone
Earpiece
Earpiece Technology
Dynamic
Earpiece Design
Earbud
Earpiece Type
Binaural
Ear Cushion
Foam
Earpiece Sensitivity
108 dB SPL
Miscellaneous
Package Contents
Additional Information
Optional Accessories:
Physical Characteristics
Form Factor
Open
Weight
1 oz
Technical Information
Connectivity Technology
Wired
Operating Distance
60"
Sound Mode
Stereo
Impedance
100 Ohm
Minimum Frequency Response
20 Hz
Maximum Frequency Response
16 kHz
Warranty
Standard Warranty
1 Year
Parts Warranty/Labor
1 Year