RSP Technologies Circle Sound Decoder

SRS Circle Surround CSD-07D Digital Circle Surround Decoder Working

Vintage Dolby Surround Decoder Unit Model SDU4

Studio Technologies - Studiocomm Lot 74,75. used in great condition

PARTS! Dolby DP-564 ProLogic Multichannel Decoder (TESTED TO POWER ON)

Dolby Cat. No. 222SR/A card 222A dual SR/A decoder module CP500 CP65 CP55 CP45

Dolby DP562 Multichannel Decoder