Voltage: DC voltage 6-30V
PCB size: 117X29MM
Display size: 82X20MM
Input mode: pre-stage or output

32 dual-channel audio display board wiring instructions

Yellow line: right channel

White line: left channel

Red wire: positive power supply (between 5-30V)

Black wire: negative pole of power supply

Multi-mode: adjustable display effect (button)

1. Peak drop

2. Peak rise

3. Extend to both sides in the middle without peak

4. Extend inward on both sides without peak

5. No peak display

6.1-5 display 24 second effect alternately


Modified car A-pillar wiring instructions:

Red line: positive pole of power supply (connected to positive pole of car 12V power supply (ACC fuse box))

Black line: grounding (negative power supply)

Yellow wire: right channel input (connected to speaker +)

White line: left channel input (connected to speaker +)

Note: When you need two channels to flash together, you need to twist the yellow and white wires together to connect to a speaker +. If you need two-channel flashing side, you need a yellow wire to connect a channel (crossover) speaker +, and the white wire side to connect another channel (crossover) speaker +

The audio signal wiring has priority to the previous level (the previous level is the signal output by the computer or mobile phone),or it can be connected to the amplifier speaker wire (the connection between the amplifier output and the speaker) IN audio signal input (the signal is recommended to be connected to the previous level (the front end of the amplifier volume) , After connecting to the rear stage (output terminal),consider the high pitch, midrange, and low pitch. The effects of the three tones are different. The left and right channels are different. For example, when connected to the high pitch, the bass sound of the instrument cannot be seen. Status, the voice of the character cannot be displayed when connected to the bass)


Package
Below the first pictures