Class AB; Bridgeable; Variable input voltage; Pro-Fi(TM) high-speed MOSFET devices; Sound Shield(TM) aluminum heat sink technology; Low-noise preamp; Low-level RCA inputs & outputs; Built-in variable electronic crossover (HP & LP); Onboard bass boost; Heat-resistant black finish; Dim: 4H x 12.7W x 11.4D ; 1,200W max; 300W RMS x 2 @ 4ohm ; 600W RMS x 2 @ 2ohm ; 1,200W max x 1 @ 4ohm bridged;