Compact 2-Channel 40 Watts Stereo/Mono Audio Amplifier with (3) Inputs

Compact 2-Channel 40 Watts Stereo/Mono Audio Amplifier with (3) Inputs


BG-AMP2X20 is a compact-size optional 1x40 or 2x20 watt digital amplifier (Class-D) with three Analog inputs (2-line in and 1-balanced MIC). It incorporates powerful functions, including bridge connection, dual-mono, EQ control and microphone mixing.

MSRP $199.00*

*Pricing is for US only. International pricing will vary.
  • 2 switchable analog audio inputs
  • 2x20Watt@4Ohm as the default amplifier output
  • Bridge connection function switches the PA2B to be 1x40Watt@8Ohm
  • One 3-level MIC input with mixer function
  • Stereo, Dual mono & Bridge output mode selectable
  • Bass, Treble & Volume adjustable
  • Loop output to cascade to another PA2B
  • Controllable via button, RS232 and IR
  • Locking power adaptor

Audio Input

Audio Output


2 stereo audio,



1 amplifier,

1 stereo audio

Input Connector


1 3.5mm jack

1 pluggable terminal block (3P,3.81mm),

Output Connector

1 3.5mm jack

1 pluggable terminal block (4P, 5.08mm)

Input Impedance


Output Impedance

50Ω/stereo, 4~8Ω/Amplifier

Audio General

Frequency Response

20Hz ~ 20KHz




80dB at maximum output


20Hz ~ 25KHz

Stereo Channel Separation

>75dB@20Hz to 20KHz

THD + Noise

1%@1KHz, 0.3%@20KHz

at nominal level

Voltage Gain


Power Output

2x20 Watts (4 Ohms)

Control Function

RS232 Control

3-hole phoenix connector

Panel Control

Optional button control

IR Remote

Optional IR remote




Package Contents
① 1xMini Digital Amplifier (The mounting ears and Mini Digital Amplifier are as a whole.)
② 2xPluggable Terminal Blocks
③ 1xRS232 Cable
④ 1xPower Adapter
⑤ 1xPower Cord
⑥ 4xPlastic Cushions
⑦ 1xUser Manual

Device Interface

See full description of the connections here


Warranty: 2 years

Buy this Compact 2-Channel 40 Watts Stereo/Mono Audio Amplifier with (3) Inputs

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