General description The -MT21 2.1 Channel Bluetooth 5.0 Subwoofer Amplifier Board delivers powerful audio performance with a total output of 50W per channel and 100W for the subwoofer, making it an excellent choice for enhancing your audio experience. Technical specifications Maximum Power Per Channel: 100W Model Number: -MT21 Channels: 3 (2.1) Size: 93 x 90 x 22 mm Material: Plastic Color: Black Package Contents 1 x Amplifier Board Other information