Review on 🎶 Enhance Your Car Audio Experience with SoundXtreme ST-AP6 Digital Processor, Featuring Bass Maximizer & Sound Restoration, Complete with Dash Mount Remote Control and Light Display – 13.5V, 10.4x2.3 x 8.6 inches by Mark Bishop

I bought this audio processor to get rid of the distortion being fed to my subwoofer and it seems to work for that, there seems to be something more Clarity in the bass now, but maybe that's in my head. The volume seems to have remained unchanged. I would be happy with the product except you actually have to open up the device and change the jumpers on the board to change the power output. Very annoying and was only touched on briefly in the directions.