Listen Technologies LA-451 Headset 1 (Ear speaker with boom mic)

General Description

The LA-451 Ear speaker with boom microphone is designed for use with two-way
communication systems such as the ListenTALK Transceiver, and offers outstanding
audio clarity. This lightweight ear speaker enables the user to hear and speak to
other systems users, whilst keeping their other ear exposed to hear the local
environment.

For more information on the ListenTALK system please click here.

Features

Single-earpiece design
Outstanding audio clarity
Built-in boom mic
Lightweight design

Delivery Includes

1 LA-451 Ear speaker with boom microphone

Technical Data

Physical
Colour: Black
Cable Length: 104 cm
Unit Weight: 27 g
Ship Weight: 31 g with 454 g minimum
Interconnections
Connections/s: Male 3.5 mm (TRRS), CTIA complaint
Audio
Microphone Element: Electret
Microphone Polar Pattern: Omnidirectional
Microphone Impedance: 2.2 kOhms typical
Microphone Sensitivity: -40 dBV/Pa @ 1 kHz
Microphone Bandwidth: 100 Hz – 10 kHz
Microphone Bias: 1 – 10 VDC
Headphone Impedance: 32 Ohms
Headphone Bandwidth: 300 Hz – 10 kHz
Compliance
Standards RoHS