General Information

Manufacturer Website Address

Brand Name

Etymotic

Product Series

ER4

Product Type

Earphone

Manufacturer

Etymotic Research, Inc

Product Line

MicroPro

Manufacturer Part Number

ER4SR

Product Name

Etymotic ER4SR

Product Model

ER4SR

Technical Information

Sound Mode

Stereo

Minimum Frequency Response

20 Hz

Connector Plating

Gold Plated

Connectivity Technology

Wired

Impedance

45 Ohm

Cable Length

1.52 m

Maximum Frequency Response

16 kHz

Earpiece

Earpiece Design

Earbud

Earpiece Type

Binaural

Physical Characteristics

Form Factor

In-ear

Interfaces-Ports

Host Interface

Mini-phone

What Hi-Fi? additional specs

Custom-fit
Yes
Cable (m)
1.5
Sensitivity (dB)
98
Impedance (ohms)
45