Reply and follow up to Dayton Audio SA70 plate Amp & Fosi 

This is a follow up to a video I posted 2 years ago "Difference between a Subwoofer Amp Plate and the Fosi TP02 Sub Amp or (direct link video) • Difference between a S... . The point of this video is to fully explain the function and controls of the Dayton Audio SA70 Subwoofer Amplifier.