Product code: Audio Control Model D-520 Subsonic deals Filter Equalizer
AudioControl deals 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 testing I did.
AudioControl deals 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 testing I did.