MA-3V 70/100V Digital Amplifier

40 Watt Mini Power Amplifier (Class D) at 70V/100V 3-level Mic with mixer, Volume/bass/treble adjustable separately, IR, Button & RS232 Control.

MA3V is a 40Watt power amplifier at 70V or 100V. It has 3 line & 1 MIC inputs, and supports EQ control and MIC mix. It provides a good solution for installations like classroom, small meeting room, lecture hall, bar, pub etc.


Reference: 40 watt Class D Amplifier

Manufacturer: CleanDigital

DatasheetUser Manual


3 switchable audio inputs: 1 digital and 2 analog.

One 3-level MIC input with mixer function.

40Watt amplifier output at 70V or 100V.

Ducking function for auto detect.

ID loop for RS232 looping control.

Bass, treble & volume adjustable.

Locking power supply.

Controllable via button & RS232 (Optional IR control).


Audio Input 2 stereo (RCA, 3.5mm jack),>10KΩ;
1 digital audio (SPF fiber connector);
1 MIC( captive screw connector);
Audio Output 1 mono amplifier (3p captive screw connector)
Output Type 40W, 70V or 100V
Frequency Response 120Hz ~ 20KHz
CMRR >70dB@20Hz~20KHz
SNR 80dB at maximum output
Stereo Channel Separation >75dB@20Hz to 20KHz
Bandwidth 120Hz ~ 20KHz
THD + Noise 1%@1KHz, 0.3%@20KHz at nominal level
Control Buttons, RS232 (captive screw connector), Optional IR control
Power Supply 24V DC;
Chassis Dimension W130 x H44 x D144mm
Weight 0.3Kg