Products

A very weak signal that needs to be boosted to the same level as other signals by a preamplifier, before it can be processed by another device like a mixer, receiver or amplifier. Pre-amplifiers are designed to process and control audio signals before they are amplified and distributed in a public address system.

The primary function of a commercial PA preamplifier is to provide audio routing, mixing, and signal processing capabilities to enhance the quality and control of the audio signals in a commercial setting.


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EF-804 8x4 Channel Pre Amplifier with Remote Paging

4 CH line output for amplifiers
4 MIC input, 4 line input
With remote paging MIC input

EF-81/EF-82, 8x1/8x2 Channel Pre Amplifier with Remote Paging

1/2 CH line output for amplifiers
2 CH MIC/Line input, 6 CH line input
With remote paging MIC input

EM-4 4 Zone Remote Paging Microphone for EF-804

All call & individual & group call
Volume level control
RJ45 connection

PB-2011P Pre Amplifier

5 MIC/3 AUX inputs, 2 priority inputs
2 AUX outputs
Individual volume control for MIC & AUX

PB-9811P Pre Amplifier

5 MIC/3 AUX inputs, 2 priority inputs
2 AUX outputs
Individual volume control for MIC & AUX

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Professional Background Music System Designer and Manufacturer

Tel: +86 20 3939 0663
E-mail: sales@lyintl.com

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