50Wx2 Mini Bluetooth 5.0 Wireless Audio Digital Amp Board ZK-502L Stereo Amp Control Board DC 5V-24V

Mini 100Wx2 bluetooth digital power amplifier knob to adjust volume with switch). Attention The shell is a material package, which needs to be assembled by yourself. The material package is provided with a screwdriver. 1,5. 0 bluetooth version, transmission efficiency is higher, transmission distance is longer. 2. Large size black gold heat sink ensures efficient heat dissipation. 3, potentiometer to adjust the volume, with a switch, easy to control the volume, very suitable for DIY speakers. If it is a metal box, you need to draw out the bluetooth antenna. 4. Copper DC connector is adopted to withstand high current and no heat. 5.4*470uF green gold capacitor guarantees the power storage capacity and the continuous and stable power supply is the premise of good sound quality. 6. The DC head with cable can be compatible with the input power interface of this product. Even if you don't have the DC head adapter or battery, you can connect it easily. Notes for use: the power switch on the