Stereo Audio VU Header Meter Driver Board Digital DB Level Amplifier Module, 501 Original

Stereo Audio VU Header Meter Driver Board Digital DB Level Amplifier Drive Module Adjustable Backlight Part Accessory Specification:Power supply: AC/DC 12-18V ≥ 5WBacklight power output: 1.25v-11v/50mAInput: ≤ 0.775VMaterial: PC+ABSDimension: 60*50*25mm/2.36*1.96*0.98inDebugging method:1. Debug the level meter, find the signal generator, adjust the output frequency to 1kHz, the effective value of the signal is 0.775v, connect the signal input of the driving board, and the pointer of the meter head points to 0dB.2. In order to debug the Vu table, connect the audio signal to the drive board, adjust the adjustable resistance on the drive board, and use the pointer to synchronize the loudness and rhythm of the ear with the sound, so that the pointer swing range is moderate; When the maximum sound is reached, the pointer points to the 100% position of the label or the maximum scale of the label.Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.Package Content:1 X VU Meter