Product Details:
① Rich adjustment options, high and low sound adjustable.
② Two NE5532 op amps are used as current stage amplifiers.
③ Bluetooth 4.2 output.
Specifications:
Power supply: DC7-15V (5.5*2.1MM Power Interface)
Power: 15WX2 (DC12V test)
PCB size: 62X80MM
Different operating voltages, output power is not the same.
Operational notes:
Before turning on the power, turn the knob to the far left, and then turn on the input DC power, This will avoid boot shocks.
The left-most power access lamp on the board is always on and is not controlled by the switch.
Package Included:
1 × Finished board
![](https://ae01.alicdn.com/kf/HTB18Gd0B1OSBuNjy0Fdq6zDnVXav.jpg)
![](https://ae01.alicdn.com/kf/HTB1BrSYBY9YBuNjy0Fgq6AxcXXa1.jpg)
![](https://ae01.alicdn.com/kf/HTB1vDQej8smBKNjSZFFq6AT9VXaD.jpg)
![](https://ae01.alicdn.com/kf/HTB1Y9NatRmWBuNkSndVq6AsApXaH.jpg)