DollaTek TDA7377 Car Digital Audio Amplifier Board 2x30W Dual Channel Stereo 12V Amplify Module

Output power: can be connected to 4-8 ohm speakers Maximum 2x35W stereo (18V 4ohms) 2 x 30W Class AB Automotive Grade Amplifier Protection: power input reverse protection, short circuit, over current, overheat Supply voltage: DC9-18V, 12V is recommended Supply method: 3.5mm audio input / 3P expansion input port