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[Image for 1821]
Four-Output Digital Audio Demonstrator
1 x 4 Digital Audio Demonstrator
Model 1821



  • Digital audio switching for four positions
  • Distribution mode: one in, four out (all positions active)
  • Durable buttons for product selection
  • Touch panel compatible via RS-485
  • RS-232 control port (adjustable Baud)
  • Timeout or continuous play modes

Categories: Soundbars, Interactive Switching, Modules, Distributed Audio

[Top view]
Top view

  • The Audio Authority® 1821 Digital Audio Demonstrator accomodates four audio products such as sound bars or A-V receivers. It provides digital Toslink® connections for input, bus output (for expansion capabilities), and four product outputs.
  • The 1821 can be set up as a splitter, with all outputs active, or as a switcher. A microSD card (optional) may be inserted in the slot to update firmware and program special functionality.
  • Control switching using push-buttons, TouchSelect panels, or via RS-232 using any compatible device.  Timeout Mode - adjust the the length of the timeout interval, or enable continuous play.

This system configuration switches up to four soundbars using one audio source. Customers simply press the button next to each soundbar and adjust master volume using up and down buttons.

Demonstrate Soundbars



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