2.1 channel Bluetooth 5.0 amplifier board with 50W x 2 100W output What it does and why you need it Delivers two main channels at 50W each plus a 100W sub channel for a fuller 2.1 channel system, providing stronger dynamics and clearer bass response for your audio setups. Suitable for upgrading existing speaker systems or building 2.1 channel configurations with wired and wireless connections. Connectivity and compatibility Bluetooth 5.0 for wireless audio streaming from compatible phones, tablets, or other devices. AUX input for wired connections to CD players, computers, media players, or other sources with an analog output. Size and build quality Compact form factor designed to fit compact enclosures and DIY projects without bulk. Built with materials to support long lasting performance in a variety of environments. Use cases and applications Home entertainment system: pair with a TV or media player and stream music or game audio via Bluetooth, while driving separate main speakers and a subwoofer. Desktop or multimedia PC setup: upgrade a computer audio system for richer sound without needing a large amplifier. DIY speaker projects or small venues: create a compact 2.1 channel amplifier solution for demonstrations, classrooms, or small event spaces.