JBL Synthesis SDP-3 Digital Surround Processor/Controller TESTED

Technics SH-AC500D Digital Surround Processor - No Remote

Chiro Kinergetics Research C-5.1 Decoder

Rotel RDA-985 DTS 5.1-Ch Surround Sound Digital Audio Decoder Processor Black

Donner Stereo Receivers, 5.1 Channel Audio Amplifier with Bluetooth 5.3, Optical

Vintage Fosgate FOUR Audionics Digital Servo Logic Surround Sound Processor

Kenwood SS-992 AV Surround Processor - tested

Emotiva XPS-1 High-Performance Phono-Stage Preamplifier