JBL Synthesis SDEC 3000 aka BSS Audio Blue 16 High End Digital Room Correction

JBL Synthesis SDEC-3000 Processor / BSS Audio BLU-16 DIGITAL ROOM CORRECTION

JBL Synthesis SDEC-2500A Digital Equalizer Controller

Rare JBL Synthesis SP-MKII Surround Processor Preamp

JBL Synthesis SDEC-2500A Digital Equalizer Controller

JBL Synthesis SDEC-3000 Processor / BSS Audio BLU-16 DIGITAL ROOM CORRECTION

JBL SYNTHESIS DP-3 THX Digital Surround Processor/Controller

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