Feature 1Adjustable Light Speed: Users can freely adjust the true light speed of each light bar and main peak to match the most suitable display for them. 2Signal Isolation: Audio input is isolated by TI original signal to avoid high frequency interference from MCU to audio circuit to the maximum extent. 3Easy to Match: Separate current limiting resistors are provided for different colors of light on the module to ensure perfect matching. 4Light Color: Our LED audio spectrum module features seven green, two orange and three red colors for a clear display. 5Small and Compact: Our LED audio spectrum module is compact and easy to install in the junction box, connect the front end audio signal can be.SpecificationItem Type: LED Music Audio Spectrum ModuleMaterial: PCBPower Supply Voltage: DC7-12VPower Supply Current: >100mAAudio Output: Connect the front end audio signal, forbid to connect the power outputLight Color: 7 x green, 2 x orange, 3 x redPCB Size: Approx. 80 x 14mm / 3.15 x 0.55inLED Module Size: Approx. 58 x 14mm / 2.28 x 0.55in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x LED Music Audio Spectrum Module1 x 5 Pin CableNoteNot recommended to change the default value.