1. If this kit and audio playback equipment utility 12V power supply, the audio signal to be divided polarity.
2.If not in the utility power , after making a good if not properly displayed, the audio cable polarity reversed.
Kits Model: AUL-10
LM3915 10 bit audio level indicator kits (send two connecting lines)
Power supply voltage: DC9V - 12V
PCB dimensions: length 66mm * wide 28mm
Light row Dimensions: Length::62.5mm *Width 5mm * high: 10.7mm
Two indications modes: strip instructions and fire point indication
Light bars provide both vertical and horizontal installation
Solder Coating treated pads
1pcs* LM3915 Level Indicator Amplifier Board Electronic DIY Kits