null Skip to main content
Alfatron Electronics PA2B 2 x 20W Low Impedance Mini Mixer Amplifier
Alfatron Electronics PA2B 2x20W Low Impedance Mixer Amplifier
$259.99

Alfatron Electronics PA2B 2x20W Low Impedance Mixer Amplifier

(No reviews yet)
SoundPro Item: 111994
MPN: PA2B
MSRP: $289.00
$259.99
Add to Wish List

Account manager
Have a Question? Ask an Account Manager

The ALF-PA2B is a compact-sized digital amplifier (Class-D) with 3 inputs (2 lines in and 1 balanced MIC). It is integrated with powerful functions, including bridge connection, dual-mono, EQ control, microphone mixer etc. It has a good application in different places, including classroom, small meeting room, lecture hall, bar, pub etc.

Alfatron Electronics PA2B Features

  • 2 x 20 Watt@40hm as the default amplifier output
  • Bridge connection function. User can switch the PA2B to be 1 x 40Watt@80hm by bridge connection
  • Two stereo audio inputs, switchable by button, IR remote & RS232
  • Volume/Base/Treble controllable by buttons IR remote & RS232
  • MIC port can support balance/unbalance signal, suppress the external noise effectively
  • Line audio output at 3.5mm jack, with volume controllable
  • Dual-mono up the stereo audio to two times mono audio. MIC mixer function
  • The microphone will be mixed to the line audio output, and be controlled separately
  • MIC input supports 48V phantom power, dynamic MIC and Wireless MIC
  • Auto noise gate. It keeps detecting the audio and MIC input, will mute the output when there is no input
  • Ultra low inrush current, no need for power sequencing and this allows multiple PA2B to be powered on simultaneously without overloading power circuits
  • Convection cooled, the fan is not needed
  • Anti-static case design: providing good protection for long-term and stable performance
  • PA2B 2x20W Low Impedance Mini Mixer Amplifier1
  • Audio Input
    • Input: 2 stereo audio, 1 MIC
    • Input Connector
      • 2 RCA
      • 1 3.5mm jack
      • 1 pluggable terminal block (3P,3.81mm)
    • Input Impedance: >10KΩ
  • Audio Output
    • Output: 1 amplifier, 1 stereo audio
    • Output Connector
      • 1 3.5mm jack
      • 1 pluggable terminal block (4P, 5.08mm)
    • Output Impedance: 50Ω/stereo, 4~8Ω/Amplifier
  • Audio General
    • Frequency Response: 20Hz ~ 20KHz CMRR >70dB@20Hz~20KHz
    • SNR: 80dB at maximum output
    • Bandwidth: 20Hz ~ 25KHz
    • Stereo Channel Separation: >75dB@20Hz to 20KHz
    • THD + Noise: 1%@1KHz, 0.3%@20KHz at nominal level
    • Voltage Gain: 32dB
    • Power Output: 2×20 Watts (4 Ohms)
  • Control Function
    • RS232 Control: 3-hole phoenix connector
    • Panel Control: Optional button control
    • IR Remote: Optional IR remote

In The Box

Customer Reviews