Working Voltage :DC 8-40V
Connection method: Pre-amp or speaker positive

Adjustable sensitivity of LED 64-segment audio indicator

Overall size: 203X25.5MM

Display size: 164X22MM

Color 1 :Full Green
Color 2:Red+Yellow+Green
Color 3:Red+Yellow+Green+Yellow+Red
If using a separate power supply for this Music Spectrum LED light
you need to connect the two negative electrode together :The Music Spectrum LED light and Audio equipment.

Multi-mode: adjustable display effect (button)

Single 64 :
Size:195 x 14mm
Display Size:162mm x 10mm
Audio input : Preamp or speaker output
Connect : Red :Powe +  Black: Power -/GND   Yellow:Audio Input

Wiring:
Yellow line: right channel

White line: left channel

Red wire: positive power supply (between 8-40V)

Black wire: negative pole of power supply

Power Supply - need Connect to  Speaker - 

The audio signal wiring has priority to the previous level (the previous level is the signal output by the computer or mobile phone),

It can also be connected to the speaker wire of the power amplifier (that is, the wiring from the power amplifier output to the speaker)

IN audio signal input (the signal is recommended to be connected to the front stage (the front end of the amplifier volume),

After connecting to the rear stage (output end),consider the high pitch, midrange, and low pitch. The effects of the three tones are different, and the left and right channels are different.

For example, when connected to the treble, the instrument sound of the bass cannot be seen, and when connected to the bass, the voice of the character cannot be displayed)

Package include:
1pcs Stereo Music Spectrum
1pcs Cable
1pcs Acrylic board