JBL Synthesis SDP-3 Digital Surround Processor/Controller TESTED

JBL Synthesis SDP-5 Digital Surround Processor

JBL Synthesis SDP-40 Digital Surround Processor Controller - For Parts or Repair

JBL Synthesis SDP-5 Digital Surround Processor

Vintage JBL Synthesis SDP-1 Digital Surround Processor/Controller--Parts /Repair

JBL Synthesis SDP-2 Digital Surround Processor/Controller

JBL Performance AV2 7.1 Surround Sound Processor HDMI Preamp Dolby DTS