POWER ACOUSTIK BAMF4-1200 BAMF Series Full-Range Class AB Amp (4 Channels, 1,200 Watts max). Class AB, Die-cast aluminum-alloy heat sink for optimum dissipation, 2ohm stereo & 4ohm bridged full-range operation, MOSFET power supply with audiophile-grade IRTM transistors, Military-grade SMT PCB maintains dynamic performance, Direct short, thermal & overload circuit protection, Angled wire terminals for secure wire connections, Chassis-integrated aluminum mounting points, Variable 12dB high-pass, low-pass & subsonic crossovers, 200mV-6V low-level RCA inputs, 4-gauge power wire & 8-gauge speaker wire outputs, 12dB bass boost increases low-octave harmonics, 4 channels, 1,200W max, 75W RMS x 4 @ 4ohm , 150W RMS x 4 @ 2ohm , 300W RMS x 2 @ 4ohm bridged, Dim: 2.25"H x 11.25"W x 8.5"D;