40 Watt 70V Stereo/Mono 2CH Audio Amplifier

MSRP: $369.00

MSRP $369.00


The BG-AMPC40 is a 40-Watt digital stereo amplifier (Class-D) with switchable output of 70V or 100V. Inputs include 2 stereo inputs (1x3.5mm port for line in, 2xRCA for L&R), 1 TOSLINK input, and 1 balanced MIC input. The 3-pin MIC input has selectable 48V phantom power, supports balanced or unbalanced signals, and features external noise suppression.

Integrated functions include ducking, EQ control, and MIC mixer. The rotary knob allows users to choose from 16 IR ID codes for easy control of multiple amplifiers. The front panel has controls for input selection, volume level for MIC and Line inputs, and bass/treble adjustment. This amplifier can be controlled with RS232 commands in addition to the front panel buttons and IR commands.

  • Mono audio output at 40Watt
  • Switchable between 70V and 100V
  • Ducking function
  • 16 ID codes for controlling between different amplifiers
  • 3-level MIC input, supports condenser microphone, dynamic microphone and wireless microphone
  • MIC port can support balance/unbalance signal, suppress the external noise effectively
  • Two stereo audio inputs and one digital audio input, switchable by button, IR remote & RS232
  • Volume/Bass/Treble controllable by buttons, IR remote & RS232
  • Fast switching speed for good performance
  • Convection cooler, fan is not needed
  • LED indicator, for power and working status
  • Antistatic case design to provide good protection for long-term and stable performance

Audio Input
Input (2) Stereo Audio (1) MIC (1) Digital Fiber Audio
Input Connector (2) RCA (1) 3.5mm Jack (1) 3-pole 3.81mm Captive Screw Connector (1) SPF Fiber Connector
Input Impedance >10KΩ
Audio Output
Output (1) Mono Amplifier
Output Connector (1) 3-pole 3.81mm Captive Screw Connector
Output Type Constant voltage 70V or 100V.
Audio General
Frequency Response 120Hz ~ 20KHz
CMRR >[email protected]~20KHz
SNR 80dB (Max)
Bandwidth 120Hz ~ 20KHz
Rated Power Output 40Watt
THD + Noise 1%@1KHz, 0.3%@20KHz at nominal level
Voltage Gain 26dB
Control Function
RS232 Control (1) 3-pole 3.81mm Captive Screw Connector
Front Panel Control Buttons
ID Code Control 16 ID Codes for control.
Optional IR Remote & TCP/IP controlled by programmable interface
Temperature -10 ~ +40°C
Humidity 10% ~ 90%
Power Supply DC 24V 2.71A Power Adapter
Standby Power Consumption 5W
Case Dimension W130 x H44 x D144mm (1U high)
Product Weight 860g

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If for any reasons you are dissatisfied with your purchase, you can return it back to BZB Gear within 60 days of purchase date for a full refund.


Package Contents
① 1x 40 Watt Power Amplifier
② 2x Mounting ears with 4 Screws
③ 4x Plastic Cushions
④ 2x Pluggable Terminal Blocks
⑤ 1x RS232 Cable
⑥ 1x Power Adapter (DC 24V 2.71A)
⑦ 1x User manual
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