4-Pin Amplifier / Processor / Speaker / Power Plug AUDISON Bit One SRx VOCE SR

4-Pin Power Ground Remote Plug Audison Bit One HD Virtuoso DSP Processor

4-Pin Amplifier / Processor / Speaker / Power Plug AUDISON Bit One SRx VOCE SR

4-Pin Amplifier / Processor / Speaker / Power Plug AUDISON Due Quatrro Uno 5.1k

4-Pin Speaker Out Output Plug TOA Electronics Amplifier Mixer Processor

4-Pin Speaker High Level Input Plug Precision Power Sedona PPI DEQ.8 Amplifier

2-Pin Remote Input Plug AUDISON SR Series Amplifier