Technics - SH-AC500D / Dolby Digital & DTS 5.1-Channel DSP - digital sound processor #5.1 channel #audio processing #digital sound processor #dolby digital #dts #home theater #surround sound #technics
Marantz - AV1040 Multichannel AV Preamplifier / DSP - digital sound processor #audio equipment #av preamplifier #digital sound processor #home theater #marantz #multichannel audio #vintage audio
