Feature: 1. Adjustable 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. 2. Signal Isolation: Audio input is isolated by TI original signal to avoid high frequency interference from MCU to audio circuit to the maximum extent. 3. Easy to Match: Separate current limiting resistors are provided for different colors of light on the module to ensure perfect matching. 4. Light Color: Our LED audio spectrum module features seven green, two orange and three red colors for a clear display. 5. Small 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. Specification: Item Type: LED Music Audio Spectrum Module Material: PCB Power Supply Current: >100mA Audio Output: Connect the front end audio signal, forbid to connect the power output Light Color: 7 x green, 2 x orange, 3 x red PCB Size: Approx. 80 x 14mm / 3.15 x 0.55in LED Module Size: Approx. 58 x 14mm / 2.28 x 0.55in. Package List: 1 x LED Music Audio Spectrum Module1 x 5 Pin Cable Note: Not recommended to change the default value.