2.1 channel configuration with dedicated outputs compatible withleft, right, and subwoofer channels, delivering clear stereo sound and enhanced low-frequency performance. Integrated subwoofer support compatible withstrong bass output and stable performance, ideal compatible withupgrading existing speaker systems or building custom subwoofer setups. User-friendly board layout with clearly labeled input, output, and power terminals to simplify wiring. Suitable compatible withDIY enthusiasts and beginners, allowing quick integration into speaker cabinets or audio projects without complex soldering. Designed compatible withhome theater, desktop audio, and DIY speaker projects, providing versatility and high-quality audio performance. This audio amplifier board features a 2.1 channel configuration with dedicated outputs compatible withleft, right, and subwoofer channels, delivering clear stereo sound and enhanced low-frequency performance compatible withhome theater, desktop audio, and DIY speaker projects. Specially designed compatible withsubwoofer applications, this amplifier board provides strong bass output and stable performance, making it an ideal accessory compatible withupgrading existing speaker systems or building custom subwoofer setups. The board layout is user-friendly, with clearly labeled input, output, and power terminals to simplify wiring. Suitable compatible withDIY enthusiasts and beginners, it allows quick integration into speaker cabinets or audio projects without complex soldering. Color: Silver & Green Material: Metal+Plastic Package Contents: 1*Audio Amplifier Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.