Yamaha A-S301 (S) Integrated Amplifier 192kHz / 24bit high-resolution sound source corresponding Silver (Japan domestic model) Rated output: 60W + 60W / 8 (20Hz ~ 20kHz, 0.019% THD), 70W + 70W / 6 (20Hz ~ 20kHz, 0.038% THD) / Dynamic Power (IHF): 100W / 8, 120W / 6, 140W / 4 , 150W / 2 / practical use maximum output: 100W / 8 (1kHz, 10% THD), 110W / 6 (1kHz, 10% THD) Input terminal: eight (CD1, tuner 1, line 3, phono [MM] 1, optical digital 1, coaxial digital 1) / output terminal: 5 lines (REC out 2, subwoofer 1, headphones 1, DC-out 1) Dimensions (width  height  depth): 435W  151H  387Dmm / mass 9.0kg Power: AC100V (50 / 60Hz) / power consumption: 190W / standby power: 0.5W Japanese manual download site URL:http://download.yamaha.com/search/product/?language=ja&site=jp.yamaha.com&category_id=16592&product_id=1989471