500 Series Siren

March 3, 2021

SoundOff Signal's 500 Series Siren includes built-in bluePRINT functionality. Users can control two lightbars without an external BOB. Includes enhanced input/output (I/O) capability with the same small footprint.


  • Load Shed
  • Matrix programming
  • Scalable architecture allows the addition of up to 40 discrete inputs, 24 OBD inputs and 50 outputs
  • Control of two lightbars without the need for an external breakout box, or control additional lightbars using external BOBs
  • USB programmability
  • With the newly-released SoundOff Signal Central bluePRINT software app, standard siren is fully expandable and customizable. Also allows real time diagnostics and firmware updates

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