Digital stereo power amplifier board using the TDA7379 power output: Delivers up to 30W per channel (30W+30W), providing strong sound performance for audio equipment Wide compatibility: Operates from DC 9V to 17.5V, offering flexible compatibility with different power supplies in various DIY setups Compact and sturdy design: Measures 3.3 x 2.5 cm, compact yet robust, enabling easy integration into DIY audio projects Easy integration for DIY projects: Ideal for DIY audio projects and speaker upgrades, home sound systems, car audio, vehicle computer speakers, and family audio and video setups Heat management note: Please ensure to install an adequate heatsink before use (heatsink not included) Use scenarios Home audio system upgrade: Integrate this amplifier module into a small home stereo or compact speaker system to achieve higher power and improved audio quality without a bulky amplifier Car or vehicle audio enhancements: Use in vehicle speaker setups or vehicle computer speaker projects to boost output and drive larger or more efficient speakers DIY desktop or portable speaker projects: Build compact desktop or portable speakers that require a twochannel amplifier with flexible power supply options and a compact footprint Specifications and features at a glance Model: TDA7379 audio amplifier module Power output: Up to 30W per channel (30W+30W) Power supply: DC 9V to 17.5V Size: 3.3 x 2.5 cm Type: Digital stereo audio power amplifier board Heatsink: Not included; suitable heatsinking recommended before operation This description maintains the original product brand, specifications, models, and functions while presenting clear benefits, compatibility, size, and practical use cases in concise language.