Product highlights: 125 watts per channel into 8 ohms, 165 watts per channel into 4 ohms for compatibility with even difficult-to-drive speakers Class AB design uses 4 high-current bipolar output transistors per channel for lower distortion custom low-noise, high-power toroidal transformer for stable, noise-free operation Advanced Load Monitoring™ technology monitors internal temperature, current, and voltage to ensure safe, uninterrupted operation 3-way on/off operation: manual, triggered, or signal-sensing auto on/off two sets of stereo unbalanced RCA inputs (Zone 1/Zone 2) four pairs of binding post terminals accept bare wire, banana plugs, and spade lugs 3.5mm trigger in/out jacks allow the amplifier to be turned on or off remotely detachable power cord designed, engineered, and manufactured in Canada total harmonic distortion: 0.03% signal-to-noise ratio: 122 dB 17-1/4"W x 5-7/8"H x 13-1/4"D weight: 36.1 lbs.