Output: Stereo 180Wx2 (8?), 190Wx2 (4?). Microphone input: Phones x2 (front), Phones x1 (rear). Audio Input: RCAx2, OPTICALx1, HDMI Inputx2, HDMI Outputx1, USB, Bluetooth. AUX outputs: RCA x 2 (L, R, full range). REC output: RCAx1 (L+R, full range). SUB output: RCAx1 (L+R, low range only). Speaker Out: Binding Post x2. Dimensions: 42.8 x 31.5 x 7.6 cm. Weight: 5.2 kg. Power supply: 100 V-240 V/50-60 Hz. High-efficiency Class-D power amplifier and professional-grade audio effects processor. Three levels of feedback prevention settings. 7-step key change function. 8 preset modes (KTV, PRO, SPCH, USER1-5). Independent reverb and echo control. Two RCA connectors and an optical connector for sound input. Two RCA connectors and an optical connector for sound source input? Bluetooth/USB memory stick for sound source playback. Two HDMI input connectors and one HDMI output connector (ARC compatible). 15-band parametric equalizer for microphone input. 15-band parametric equalizer for audio input. Speaker output terminals (L+R). SUB output jacks for connection to an active subwoofer. AUX output jacks for connection of additional power amplifiers or audio equipment. PC control software to support fine-tuning of the system. Banana terminals cannot be used. Please use a discrete cable. If you use a 2-pin power outlet, please use a 3P-2P conversion adapter. Rack mount is not supported. The included bracket is not compatible with EIA standard rack cases. If you wish to store the unit in a rack case, please use a rack tray or rack clamp shelf. International Buyers – Please Note. Thank you for your understanding.