Double Pointer VU Meter Stereo Audio Amplifier Board DB Sound Level Indicator Meter Adjustable Backlight With Driver

This is aDouble pointer VU meters with drive boards For 5W-50W amplifiers . The Power Supply Input is For TheBacklight DC/AC 5-12V ＞0.1A R1 And R2Adjustable Resistance for AdjustPointer jump Pls Notice :The Connect cable need you welding on the Driver board Debugging method: Method 1: Connect the power amplifier with the signal generator 1KHZ signal, adjust the volume of the power amplifier to the maximum, adjust the adjustable resistance, so that the meter pointer points to the 0 position Method 2: No signal generator, you can use Android mobile phone to download the signal generator software, use the mobile phone to output 1KHZ signal to the power amplifier, adjust the power amplifier volume to the maximum, adjust the adjustable resistance, so that the meter pointer points to the 0 position

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Shipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

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