LM1875 Two-CHannel 2.0 Stereo Pure Power Amplifier Board Diy Kit

Regarding the power supply, we recommend using a 40W-80W dual power transformer 11V-15V Power supply: dual power transformer 11-15V is recommended not to exceed 15V Just find a small 50W transformer and you can easily bring it up! el: SXL-1021 Name: LM1875 dual-channel 2.0 stereo pure power amplifier board Processor speed: 20HZ-20KHZ Power supply current: 3A Power supply: dual power transformer 11-15V is recommended not to exceed 15V Power: 2 * 20W Output impedance: 4 ohm 8 ohm Colour: black Material: ABS Size: 68mmx76mm Package Contents: 1 * uleOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.