The Leviton 70V Mixing Audio Amplifier supports constant voltage distributed audio systems without the need for a separate transformer, making it ideal for applications where you can use mono sound in applications with more than 4 speakers. It features auto priority muting on the MIC input, called ducking, where the audio feed is automatically muted when MIC input is detected, the softly continues after MIC input stops. This is a compact case that’s about 5 and a half by 5 inches, and an inch and three-quarters thick. So it is very easy to install anywhere.

This highly efficient 40 Watt Class D amplifier is compact and fanless with two stereo summed inputs, one digital audio fiber input, and one microphone input. The front panel controls include input selection, volume, bass, treble, and mute while rear panel connections provide the ultimate in control capability via RS232 and IR.

• 40 watt mono output 70V or 100V constant Voltage
• Three switchable inputs: two stereo audio summed (RCA and 3.5mm) and one digital audio fiber
• Selectable Mic input with mixer function and independent control
• Volume, bass, treble, and mute control
• Supplied with 24V power Supply, Rs232 cable and mounting brackets