Jensen A220 Amp Manual -

Utilizes MOSFET technology for efficient power delivery. Installation & Wiring Guide

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 Jensen A220 Amp Manual

Capable of outputting 250 Watts into a 4-ohm load. Utilizes MOSFET technology for efficient power delivery

Connect directly to the positive battery terminal. A fuse must be installed on this wire within 18 inches of the battery to protect the vehicle's electrical system. Jensen A220 Amp Manual