Arizona Drivers Permit Practice Exam Guide

What is the function of an audio mixer in a PA system?

To split a single audio signal into multiple outputs To combine, route, and adjust the levels of multiple audio input sources To power the speakers To convert analog audio to optical signals

Correct Answer:

To combine, route, and adjust the levels of multiple audio input sources

Explanation:

An audio mixer takes multiple inputs (microphones, music players), balances their levels and EQ, and outputs a combined signal to the amplifier.

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