ITEM NAME:Double Power Low Pass Filter Heavy Subwoofer Pre-AMP Amplifier Board D WUZ Descriptio n Description: Material: mixture Color: picture color Size: 76 * 38 mm Package included: 1pcs* dual-current low-pass filter board DIY suite (DIY Kit) This is a DIY kit that needs to be assembled by yourself Note: 1.As different computers display colors differently, the color of the actual item may vary slightly from the above images. 2.Please allow 1-3 CM differs due to manual measurement. Thanks for your understanding. Honesty is gold for all! Double power low pass filter board DIY kit