Powerful 100W DIY audio board with enhanced and low pitch reproduction, delivering professional grade sound for your home entertainment system or outdoor gatherings. Flexible connectivity up to 15 meters: supports Bluetooth, AUX, U disk, and USB sound card, providing versatile input options for connecting various audio sources to your DIY speaker projects. Advanced power management: built in boost circuit compatible with DC 924V power supply, making this board suitable for battery powered outdoor and mobile speakers and ensuring reliable performance when off mains power. User friendly operation: multi function button supports one click play/pause, track switching, power on/off, and activation of TWS mode, keeping operation simple while maintaining sound quality. Use case: upgrade a DIY home theater or living room speaker for wireless streaming from a phone or tablet via Bluetooth, with enhanced bass and clarity. Use case: build a portable outdoor speaker for picnics or camping, powered by a battery and using the DC 924V boost circuit for reliable performance away from mains power, with TWS for larger sound. Use case: create a workshop or classroom audio solution that can play from a USB flash drive (U disk) or USB sound card, enabling flexible playback from multiple sources.