Avgear AVG-MA1 Amplifier


The MA1 is a small digital amplifier (Class D), with built in EQ control and a MIC mixer function. It is in a very small form factor, but with powerful functions, including bridging, dual-mono, EQ control, microphone mixer, etc.
  • Input Impedance
  • SNR
  • Serial Control Port
  • Power Supply


  • The MA1 features a full 2 way RS232 control and is supported by a free 2 way RS232 driver for Rti.
  • The driver provides feedback and control over volume, bass, treble, input selection, and muting.


  • 2 RCA (L and R), 1 x 3.5mm stereo, and 1 MIC input


  • 4 pole captive screw connector and 1 x 3.5mm stereo jack

Power Output :

  • 2x20w?@ 4 Ohm Class D
  • EQ control, volume, input selection, and microphone mixer functions can be directly controlled from the buttons on the unit.
  • Built-in RS232 control port with an optional IR receiver and remote
  • Dimensions :?W123?x H38 x?D87mm


24VDC?3A power supply included

SKU: Ma1 Category:
Weight 500 g
Dimensions 87 × 123 × 38 mm

Audio Input

Audio Output

Input2 Stereo audio
1 MICOutput

1 Amplifier
1 Stereo audio

Input Connector2 RCA
1 3.5mm jack
1 6.5mm jackOutput Connector

1 Captive screw connector(4 pole)
1 3.5mm jack

Input Impedance>10KΩ/Stero, 600Ω/MICOutput Impedance

50Ω/Stereo, 4~8Ω/Amplifier

Audio General

Frequency Response20Hz ~ 20KHzCMRR

>70dB@20Hz ~ 20KHz

SNR80dB at maximum outputBandwidth

20Hz ~ 25KHz

Stereo Channel Separation>75dB@20Hz ~ 20KHzTHD + Noise

1%@1KHz, 0.3%@20KHz at nominal level

Voltage Gain32dBPower Output

2x20Watt (4Ohm)

Control parts

Serial Control PortRS-232, 9-pin female D connectorPin Configurations

2 = TX, 3 = RX, 5 = GND

IR RemoteOptional IR remoteWall Panel Control

Optional mountable keypad

GeneralMax DC Compensation1.5VHumidity

10% ~ 90%

Temperature-20℃ ~ +70℃Power Comsumption

24VDC, 3A

Power Supply100VAC ~ 240VAC, 50/60HzProduct Weight


Case DimensionW123 x H38 x D87mm (Wall/Table mountable)


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