A high-performance mini digital audio amplifier board powered by the TPA3118 chip, delivering a robust and clear 45W+45W dual-channel stereo output. It features built-in Bluetooth 5.0 for stable wireless audio streaming, alongside a standard 3.5mm AUX input. Operating on a wide voltage range (DC 12-28V), it is the perfect DIY module for engineering projects, building custom smart speakers, or effortlessly upgrading home and car audio systems.