Class AB; 2ohm stable; Output power @ 14.4V DC, 50Hz; MOSFET power supply; Freq resp: 20Hz-50kHz (+/-3dB); PWM system; Glass epoxy PCB; Silver RCA inputs; Custom terminal block for speaker connection; Thermal, overload & short circuit protection; 47kohm input impedance; Soft turn on/off; Advanced protection circuitry; Signal-to-noise ratio: >90dB; Dim: 2.21″H x 17.72″W x 10.24″D ; 4 channels; 4,000W max; 1,000W RMS x 4 @ 4ohm ; 2,000W RMS x 2 @ 4ohm bridged;