Description: Power amplifier: 60W (stereo channel requires two) 100% brand new, high quality and long service life. Replacement accessories fit for most speaker. Easy to install,convenient disassembly. Item 100% like the picture shown. Specification: Material? Plastic Size: 45 x 34 x 11 mm / 1.77 x 1.34 x 0.43 inch Supply voltage: 8-24V DC Package Includes: 1 Piece TPA3118 PBTL Mono Digital Amplifier Board Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor