Information: 45 watts x 2 channels into 8 ohms (20-20,000 Hz) 65 watts x 2 channels into 4 ohms (20-20,000 Hz) powerful, efficient Class AB amplification total harmonic distortion: 0.005% (30 watts, into 8 ohms) signal-to-noise ratio: 108dB built-in Bluetooth® with aptX audio coding for a better-sounding connection to compatible devices built-in phono stage for turntables with moving magnet cartridges premium ESS Sabre32 Reference ES9018K2M DAC supports high-res digital files up to 32-bit/384kHz Connections: digital inputs: 2 Toslink optical, 1 coaxial (handles signals up to 192kHz) digital outputs: 1 Toslink optical, 1 coaxial USB Type-B input for connecting to a computer (PCM files up to 384kHz, DSD up to 11.2MHz) 2 sets of stereo RCA aux inputs phono input for connecting a turntable with a moving magnet cartridge 1 set of stereo RCA outputs 1/4" headphone jack on front panel one pair of binding post speaker terminals USB Type-A input for software updates 12-volt trigger input and output detachable power cord Dimensions: 12-15/16"W x 5-3/4"H x 13-5/16"D weight: 18.3 lbs.