Replacement made easy This amplifier board is designed to a damaged 2.1 channel amplifier module, enabling quick repairs and reducing downtime. Stable and fast connections with wide compatibility Provides stable, fast connections and broad compatibility with existing 2.1 channel audio setups. performance with simple installation Delivers solid amplification and clear sound for 2.1 channel configurations, while being easy to install and use. Flexible input options Includes Bluetooth input and AUX input for versatile connectivity to wireless devices or wired sources. Ideal use scenarios Home audio : a failed amplifier in a stereo system to restore Bluetooth and AUX playback. DIY speaker projects: upgrade a DIY 2.1 channel speaker with Bluetooth streaming capabilities. System refurbishment: a reliable option for refurbishing aging or damaged audio equipment. Key attributes Function: 2.1 channel amplification with Bluetooth and AUX input Compatibility: wide compatibility with existing 2.1 channel audio systems Performance: stable connections and clear, effective amplification Installation: designed for easy installation and use Use cases: replacement for damaged modules, home audio upgrades, and DIY projects