Product code: Audio Control Model D-520 2024 Subsonic Filter Equalizer
AudioControl Model D-520 Subsonic Filter Equalizer. Missing a couple of the little bumpers on the bottom. Just plugged in and turned on, that's the extent of the 2024 testing I did.
AudioControl Model D-520 Subsonic Filter Equalizer. Missing a couple of the little bumpers on the bottom. Just plugged in and turned on, that's the extent of the 2024 testing I did.