The TM400X4ad is a 400-Watt 4-channel amplifier with high-efficiency Class-AD technology and a conformal-coated pc board designed for motorsport and marine applications.
Rockford Fosgate proprietary Class-AD technology. 4/2-Ohm muti-impedance Constant Power. Differential inputs with high-level auto turn-on feature. 8 AWG power/ground connector w/upgraded RCA connectors. Remote-out feature when using high-level inputs. 2/4 channel input switch. 4 Ohm bridged capable. C.L.E.A.N. input/output clip detection and indicator LEDs. Top mounted controls. Dual fan-cooled. Real time thermal sensing. Dual extruded heat sinks. Discrete surface mount technology. Marine-grade two-part epoxy coating on circuit boards. Two-year manufacturer's warranty.