Use:
Wiring Instructions:
How to connect a preamp or microphone amplifier:
Red: connect to the positive pole of the power supply 12 V.
Black: connect to the negative pole of the power supply 12 V.
Yellow: connect to positive signal line
Green: connect to negative signal line (outer layer, shielding layer)
Connect to speaker connections:
1. You need to take out the yellow wire and solder it to the high position.
2. Connect the blue cable to the black port of the speaker and the yellow cable to the red port of the speaker.
3. It should be noted that the power earth cable and signal earth cable of the panel power supply should be connected together.
Specification:
Item Type: LED Audio Level Indicator Module
Material: PCB
LED: 3 mm.
Power supply: 12V 250mA
Input sensitivity:
Low input: 150mV to 6V rms (47K)
High input: 1.5 V to 60 V rms (470 K).
Package list:
1 x LED audio level indicator module