2.1 channel power amplifier board with 2 x 30 W main channels and a 60 W subwoofer channel Multifunctional amplifier board that amplifies weak signals from an audio source or preamplifier to drive speakers Key benefits Increases output power for louder, clearer sound Dedicated 60 W subwoofer channel adds stronger bass Simple upgrade path to enhance existing audio systems Compatibility and design Designed to work with standard audio sources and preamplifiers Suitable for DIY audio projects Specifications snapshot Power configuration: 2.1 channel Outputs: 2 x 30 W plus 60 W subwoofer Use scenarios Home stereo or TV setup upgrade to improve overall sound and bass DIY speaker project needing a single board to power left, right, and sub Small room home theater or gaming setup for enhanced volume and bass response Setup notes Ensure an appropriate power supply and correct wiring for safe operation