NEW 6.3 Double Pointer Power Amplifier VU Meter DB level Audio Power Meter with Backlight and Voltage
Product parameter
Measuring range: 0-500μA ±10%
internal resistance:650ohms ±10%
Accuracy :±5 %
Calibration position:Full scale 500μA
Backlight voltage :AC DC 6-12V 50mA
![](https://ae01.alicdn.com/kf/HTB1cdbRApGWBuNjy0Fbq6z4sXXa0.jpg)
![](https://ae01.alicdn.com/kf/HTB1WzzGAwmTBuNjy1Xbq6yMrVXan.jpg)
![](https://ae01.alicdn.com/kf/H04fc2e35cd3f40459e85e700193caae24.jpg)
![](https://ae01.alicdn.com/kf/HTB1Y_rWjrZnBKNjSZFrq6yRLFXaX.jpg)
![](https://ae01.alicdn.com/kf/HTB1ExclArSYBuNjSspiq6xNzpXam.jpg)
![](https://ae01.alicdn.com/kf/HTB1fHpnjv6TBKNjSZJiq6zKVFXaL.jpg)
![](https://ae01.alicdn.com/kf/HTB1L0kHAr1YBuNjSszeq6yblFXa3.jpg)
![](https://ae01.alicdn.com/kf/HTB14ND2AuGSBuNjSspbq6AiipXaD.jpg)
Attention:headphone amplifier and class A power amplifier cannot use for the driver free board,You can use the front stage drive board to drive the meter
![](http://sc01.alicdn.com/kf/HTB12qtqgMDD8KJjy0Fdq6AjvXXa2.jpg)
Drive Free Schematic Diagram