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