Description: Products include subwoofer motherboards and signal potentiometers. The use of pure DC error pre-feedback circuit achieves low distortion and wide frequency response. This product is also an ideal application in electromagnetic interference circuits and has good anti-electromagnetic interference. This product does not have any disturbing noise and does not require special handling. Easy to install,convenient disassembly. Item 100% like the picture shown. Specification: Material: electronic material Size: 200x180x76 mm / 7.87x7.08x2.99 inch Working Voltage: two groups AC AC24-30V Recommended Voltage: double 30V Output power: 500W Recommended Speakers: 6-inch - 12 inches / more than 200W speaker passive low speaker Package Includes: 1 Piece 500W subwoofer power amplifier board Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor
