ITEM NAME:1X(Tda7492P Digital Amplifier Board 50Wx2 Csr8635 Bluetooth Csr4.0 ReceiverF4Y1) 1X(Tda7492P Digital Amplifier Board 50Wx2 Csr8635 Bluetooth Csr4.0 ReceiverF4Y1) 1X(TDA7492 digital power amplifier chip,design optimization,circuit design,sound quality is very good,big power.DIP switching amplifiers can be adjusted directly after gain more respect and promote greater damping cushion. Power supply:2.1 interface DC 8~25V power supply Audio input:Various versions of Bluetooth connected stereo input,using CSR8635 Bluetooth chip,Bluetooth V4.0,extremely high software compatibility Output impedance:8 ohms best (can drive 4,6,8,16 ohm impedance speakers) Output power:join of 5532,output power of foot (25V supply,6 ohm output impedance of 2 * 50W,8 ohm output impedance 2X40W dual channel),dial switch can be directly adjusted power amplifier gain more convenient,better promote greater horn of damping color:red Material:metal + PC Package Contents: 1*TDA7492P Digital Amplifier Board)