PA2B Multi-Function Room Amplifier

Product Description

The TEK PA2B is a small, affordable multi-function room amplifier with many features including RS232 control. This compact Class-D digital amplifier has three inputs (two selectable line inputs and one balanced MIC with selectable phantom power). It is integrated with powerful features including speaker bridging, stereo or mono selection, EQ control, a microphone mixer, and simple-to-program RS-232 control. The PA2B is ideal for classroom and training room applications, offering independent level control for each input and efficient control of a full room’s audio without feedback.


  • 2 x 20 Watts @ 4 Ohm or Bridged to 40 Watts @ 8 Ohm
  • Stereo or Mono selection
  • Two stereo audio inputs and Volume/Bass/Treble controllable by button, IR remote, and RS232
  • Balanced microphone input with selectable 48V phantom power, mic, or line settings
  • Separate volume control for line level sources and microphone
  • Loop output after-volume control to connect other TEK-PA2Bs or another amplifier
  • Auto noise gate to reduce noise on mic input
  • Extensive RS-232 control using simple ASCII commands



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P/N: 78040-50/8