Product description A large number of audio-grade components are used to enhance the subjective listening experience Complete overheating, overcurrent and other protection circuits Built-in high-quality, high-power audio grade switching power supply High-quality gold-plated input and output sockets Input RCA/XLR THD+N 0.003 % SNR 109dB Channel Separation 75dB Input Sensitivity stereo ( 0.68V rms/22k) Input Sensitivity mono ( 2.1V rms/22k) Output Power stereo (4--160Wrms x2) Output Power stereo (8--85Wrms x2) Output Power mono (4--400Wrms x1) Output Power mono (8--250Wrms x1) Standby power < 0.5W Power Consumption 40W (Normal Volume) Size 220x 45.9 x175mm (WxHxD) Weight 1.44 kg/ 3.17 lbs