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

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Genuine JBL Synthesis SDP-5 Digital Surround Processor / Controller

Rare JBL Synthesis SP-MKII Surround Processor Preamp

JBL SYNTHESIS SDP-40 DIGITAL SURROUND PROCESSOR/CONTROLLER

JBL Synthesis SDP-5 Digital Surround Processor