Car Wiring Diagram represents Clarion APA1100 Car Audio Amplifier. The Clarion APA1100 Car Audio Amplifier uses a regulated MOSFET power supply for superior control of output wattage, regardless of input voltage or musical energy content. MOSFET are chosen for their inherent characteristics to provide superior accuracy, stability and control. A toroid-coil transform yields maximum power transfer with minimum heat loss.Wiring diagram all connection and controls are on end panels and are straightforward and easy to understand. This device uses gold-plated RCA and barrier connectors to ensure best electrical connection for the amplifier system. Included is and external automotive-type fuse that is easy to replace. The following manual contains detail schematic and wiring diagram for The Clarion APA1100 Car Audio Amplifier System including single and dual mono subwoofer wiring diagram.