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Broadcast Tools ACS 4.1 Stereo Matrix Switcher

Broadcast Tools ACS 4.1 Stereo Matrix Switcher


The Broadcast Tools ACS 4.1 provides matrix audio switching of 4 stereo inputs to one stereo output. Matrix switching allows any/or all inputs to be assigned to one output. The ACS 4.1 may be controlled via front panel switches, contact closures, logic and/or the multi-drop RS-232 serial port (control via USB or Ethernet with optional devices). Installation is simplified with plug-in euroblock screw terminals.



  • True matrix switching, any or all inputs may be assigned to the output. 
  • Front panel multi-turn input level trimmers.
  • Electronically balanced stereo inputs.
  • Electronically balanced adjustable stereo output.
  • Any input may be controlled from either the front panel, contact closures, logic or the multi-drop RS-232 serial port. 
  • Internal silence sensor with front panel LED indicators; separate silence sensor open collector output, adjustable alarm delay and restore duration.
  • Front panel input selection switches are provided for each input channel with separate input indicator LED's
  • Power-up selection of inputs to outputs, mute or last source selected.
  • 8 input GPI port (PIP or Remote Control) with LED indicator.
  • 4 open collector channel status outputs.
  • Logic functions via microprocessor and non-volatile memory
  • Most configuration options via dipswitches.
  • Fully RFI proofed.
  • Surge protected internal power supply, universal switching power supply with domestic connectors supplied. International connectors optional.
  • Up to three units may be mounted on the optional RA-1 rack shelf. Desktop and wall mounting is also possible.