Use the Low-level (RCA) inputs for the best audio performance. If your factory head unit lacks RCA outputs, high-level speaker wire inputs can be used. Safety & Maintenance Tips owner's manual - Jensen Mobile
Capable of outputting 250 Watts into a 4-ohm load. Jensen A220 Amp Manual
Connect this to the head unit’s amplifier turn-on lead or power antenna output to ensure the amp powers on with the radio. Use the Low-level (RCA) inputs for the best