VU Meter Driver Board, VU Meter Easy Operation ABS Adjustable Backlit Widely Used VU Meter with Driver Board for DIY Home Car Audio Conversion

How to Use: AC DC12?16V power supply, it is necessary to distinguish between AC and DC input terminals, and the output terminal of the power amplifier takes out the signal. When wiring, L, G, and R correspond to the left, ground, and right channels of the audio source device respectively. If the input is a mobile phone, computer sound card, For audio sources such as preamps, please turn the DIP switches 1 and 3 to the "ON" end. If the input is to take out the signal from the output of the power amplifier, please turn the DIP switches 2 and 4 to the "ON" end, the signal will be compressed 11 times. The adjustable potentiometer "100R?V" is used to adjust the backlight of the vu meter. The adjustable potentiometers "50k 1" and "50k 2" control the swing amplitude of the pointers of the VU meter 1 and VU meter 2 respectively. Specification: Item Type: VU Meter Driver Board Material: ABS, Printed Circuit Board Maximum Influenzae: 600uA±10% Internal Dc Impedance: 650?±10% Insulation Resistance: Above 50m? Friction: ±1mm Pointer Length: 44±1mm from Pointer End to Axis Pointer Width: 0.45±0.05mm Meter Installation Position: Vertical Backlight: 2.8 to 3.8V White Scope of Application: Suitable for DIY, Recording Studio, Etc Weight: Approx. 206g / 7.27oz Package List: 2 x VU Meter 1 x Driver Board 6 x Cable 1 x Audio Cable 1 x User Manual