ITEM NAME:1x Double Power Low Pass Filter Heavy Subwoofer Pre-AMP Amplifier Board kit LBQ Descriptio n Description: Material: mixture Color: picture color Size: 76 * 38 mm Package included: 1pcs* dual-current low-pass filter board DIY suite (finished product) 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! Finished Product Double power low pass filter board kit