Watts Per Channel: 1001-1500W Impedance Input: RCA Analog input: 20kΩ Balanced Analog input: 101Ω Digital Coax Input: 101Ω Power Output @ 4 ohm: 1500W per channel @ 4 ohm Power Output @ 8 ohm: 750W per channel @ 8 ohm Total Harmonic Distortion (THD): <1%, 22kHz BW at 1W and Full Power Channels: 3 Frequency Response: ± .5dB at 1/8th power (20Hz to 20kHz) Weight: 16.7 lbs Sensitivity Input: 2Vrms, max power Dimensions (W x H x D): 17" x 3.5" x 16.5"