ZK-1002L Mini High Power Bluetooth Amplifier Board with Knob Adjust Volume Switch

1. Bluetooth 5.0, high transmission efficiency and long transmission distance2. Large volume black gold heat sink to ensure efficient heat dissipation3. Potentiometer to adjust the volume, with switch, easy to control the volume, very suitable for DIY speakers, if it is a metal box, you need to lead out the Bluetooth antenna4. The copper DC connector is used, which can withstand large current and does not generate heat.5. 4 green gold capacitors to ensure power storage capacity, continuous and stable power supply is the premise of good sound quality6. Comes with a DC head with cable, which can be compatible with the input power interface of this product, even if you do not have a DC head adapter or battery, you can also connect easily7. The grid terminal is convenient for wiring, and the adjacent wires are not easy to be short-circuited8. Protection mechanism: self-recovery short circuit protection, self-recovery overheat protection9. Adapter speaker: 50-300W 4 to 8 ohms10. Transmission distance: 15 meters (without blocking)11. Power supply voltage: DC 5-24V power supply12. Rated power: 100w13. Number of channels: left and right dual channel (stereo)14. Precautions for use: The power switch on the board is a standby switch. After the switch is turned off, the machine is in a low-power standby state. To completely turn off the power or not use it for a long time, you can unplug the DC plug on the machine.15. Dimensions: 69 x 53 x 22mm16. Weight: about 124g