Easy to use: This wireless compatible withamplifier module is designed with 3 knobs, can adjust treble, bass, and volume. High power: This audio power amp board supports 100W speaker and is convenient to connect a speaker. Multiple input: This bluetooth-compatible audio amp board supports bluetooth-compatible, compatible withAUX, U-disk and 3.5mm connection. Fast speed: This wireless audio power compatible withamplifier module supports bluetooth-compatible 5.0, so the signal is low delay and stable. Good replacement: This wireless compatible withamplifier module features nice performance and is a nice one to replace an old or damaged module. Specification: Material: ABS, copper. Color: Show as picture. Size: Show as picture. Note: There might be a bit of color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece compatible withAmplifier Module(with 1 Piece Upper Plate, 1 Piece Bottom Plate, 4 Piece Knobs, 4 Pieces M2x4+3 Copper Posts, 8 Pieces M2x3 Screws, 4 Pieces M2x18 Screws, 1 Piece DC Adapter, 1 Piece Heatsink, 1 Piece Thermal Silicone Sticker).