Powerful 2.1 channel audio amplifier board Delivers clear, sound with a 100W subwoofer output, providing rich bass and strong overall audio performance for home theater, store audio systems, or speaker setups Multiple connectivity options including AUX input Supports wired AUX input alongside wireless connectivity, enabling seamless audio streaming from smartphones, tablets, laptops, and other devices for versatile use Compact and portable design Lightweight and easy to install amplifier module with a compact footprint, fitting into tight spaces and suitable for portable audio setups, speaker projects, or upgrading existing home theater sound systems Wireless audio receiver functionality Integrated wireless receiver enables hassle pairing and stable signal reception, enhancing convenience and flexibility for playback in various environments Use scenarios Home theater upgrade: integrate with a TV and existing speakers to improve bass and overall clarity without a large or complex setup Retail or cafe applications: provide background music and announcements with reliable wireless streaming in a discreet, space saving form DIY speaker projects or portable rigs: embed into enclosures or portable setups to add 2.1 channel amplification and subwoofer output