Apply for: KTV, car modification, DIY amplifier, audio, home decoration. Note: (You need to prepare a 5v power supply for this Music Spectrum Display.) 1. The 32*64 7-color dot matrix module can display 50 modes, one of which is automatic switching mode 2. The controller and display module requires a separate power supply DC 5V 5A. Please pay attention to the power supply negative and positive when wiring them. Or it will burn the module. 3. When the signal input port under disconnecting, spectrum is full screen, which is normal situation. Plug the 3.5mm headphone plug into the computer headset, there will show a line on the bottom. 4. If the noise is serious under the mute, the power supply ripple maybe too big. Please replace high quality low ripple 5V DC power supply. 5. By adjusting the input volume and gain settings to control the display, general computer volume up to 60%. Package Includes: 1x Controller 1x Color dot matrix 1x USB power supply audio cable 1x audio splitter 1x 16-core data cable (Not include power supply)
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