Features: Safety Protection: The amplifier chip supports short circuit protection, overheating protection, over voltage protection, under voltage protection and DC fault protection PCB board: Large capacity capacitance is soldered with PCB board without possibilitys of causing a short circuit 1.6mm thick PCB board is beautifully and well designed, and there is only a small quantity of soldering joints on the back Comes with a special designed black heat sink which ensures a better heat dissipation Two-channel Power Amplifier Board: Before using the power amplifier board, please ensure that the positive and negative poles of the power supply are connected correctly, and do not use low-power speakers. The large-capacity capacitors is welded with the PCB board, which will not cause a short circuit. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Input Voltage: DC12 26V Maximum Output Power: 120W x 2 SNR: 100db Channel: Dual channel Size: 92 x 68 x 16mm / 3.62 x 2.67 x 0.63 Package List: 1x Digital Audios Amplifier Board