AudioPressBox APB-400 R

  • $4,250.00
    Unit price per 
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Rack design input module with 4 routable Inputs (A, A+B, B), 4 buffered outputs for APB expanders

A professional active press box drive unit (Audio Splitter) serving as a drive unit for AudioPressBox expanders.
It features 4 MIC/Line Inputs (A,A+B,B) 
What is more, it can also be used for bilingual conferences as it features 2 separate channels A and B.
Each input can be routed to channel A or channel B or both at the same time.
It  serves as a drive unit because it has 4 buffered expander Outputs (2x A and 2x B) and can power additional 96 Line/MIC Outputs. 
So with this unit you can route route 4 individual inputs to up to 96 Line/MIC Outputs! 
You can connect any of our expanders to it. 

Drive unit for : APB-008 SB-EX, APB-008 IW-EX, APB-008 OW-EX, APB-008 FB-EX, APB-024 R-EX, APB-P008 OW-EX, APB-P008 IW-EX


  • 4 MIC (phantom power) / LINE Inputs – balanced with gain control and 26dB PAD
  • Each Input is routable to A/(A+B)/B Outputs Group
  • 4 separate buffered A and B Outputs for driving up to 48 channels of passive
    extenders: APB-024 R-EX, APB-008 IW/OW, APB 008FB, APB P008 IW/OW or
  • Switchable High-Pass filter for each Input channel
  • Switchable Compressor and Limiter for each Input channel
  • PFL/AFL for each Input/Output channel
  • Constant level Test signal oscillator with no mistake switch operation
  • Headphones control Output for PFL/AFL

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