• Alfatron Electronics PA2B 2 x 20W Low Impedance Mini Mixer Amplifier
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Alfatron Electronics PA2B 2x20W Low Impedance Mixer Amplifier

Alfatron Electronics PA2B 2x20W Low Impedance Mixer Amplifier

SoundPro Item: 111994 | Part Number: ALF-PA2B

$259.99
$289.00 $259.99
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MSRP: $289.00 | MAP: $259.99

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  • 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
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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.

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Specifications

Electrical
THD + Noise
1%@1KHz, 0.3%@20KHz at nominal level
Voltage Gain
32dB
Audio
Audio Input
Input Connector 2 RCA1 3.5mm jack1 pluggable terminal block (3P,3.81mm)
Input Impedance
>10KΩ
Output
1 amplifier, 1 stereo audio
Audio Output
Output Connector 1 3.5mm jack1 pluggable terminal block (4P, 5.08mm)
Output Impedance
50Ω/stereo, 4~8Ω/Amplifier
Frequency Response
20Hz ~ 20KHz CMRR >70dB@20Hz~20KHz
SNR
80dB at maximum output
Power Output
2×20 Watts (4 Ohms)
Performance
Bandwidth
20Hz ~ 25KHz
Connectivity
Input
2 stereo audio, 1 MIC
General
Stereo Channel Separation
>75dB@20Hz to 20KHz
RS232 Control
3-hole phoenix connector
Panel Control
Optional button control
IR Remote
Optional IR remote

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