LED Audio Level Indicator Module LED Audio Level Module LED Audio Level Board 12V 250MA PCB Material 10 Segments 11 pcs 3mm LED Audio Level Indicator Board for VU Meter Preamp

How to Use:Wiring Instructions:To connect a preamp or microphone amplifier:Red: Connect to the positive pole of the power supply 12V.Black: Connect to the negative pole of the power supply 12V.Yellow: Connect to the positive line.Green: Connect to negative line (outer layer shielding layer).To connect to speaker terminals:1. You need to take out the yellow wire and solder it to the HIGH position.2. Connect the blue wire to the speaker black terminal and the yellow wire to the speaker red terminal.3. It should be noted that the power ground wire and the ground wire of the panel power supply should be connected together.Specification:Item Type: LED Audio Level Indicator ModuleMaterial: PCBLED: 3mmPower Supply: 12V 250MAInput Sensitivity:Low Input: 150mV to 6V rms (47K)High Input: 1.5V to 60V rms (470K)Package List:1 x LED Audio Level Indicator Module