Fuhjythy 2.1 Subwoofer Amplifier Audio Board 6Wx2+25W Mini Bass Amplifier HIFI YD1517P for 4-6 Inch 40W SubWoofer Speaker DIY

Input Power: DC DC6.5-15V (see the required output power setting), power adapter, switching power supply, battery can be, the recommended use of current in more than 3A. Bass output power: maximum 25W, 4-6 inch, 4-6 Ohm 20W subwoofer is recommended. Left and right channel output power: 6W+6W, it is recommended to use 2-4 inch, 4-8 Ohm 3-25W full frequency speaker. The above power requires about 13.5V power supply. The left and right channels use a low-power enthusiast audio dedicated chip YD1517P as an output stage, which really provides high quality results.