Powerful 2.1 Channel Audio Output: This amplifier board delivers a strong 2.1 channel output with a dedicated 100W subwoofer port, ensuring deep bass and clear sound separation for immersive home theater or store ambiance setups. BuiltIn Wireless Connectivity: It is equipped with a reliable receiver that enables seamless wireless streaming from smartphones, tablets, and other enabled devices without the need for wires for convenience. AUX Input for Versatile Connectivity: It includes a standard 3.5mm AUX input for directly connecting to laptops, MP3 players, or TV audio sources, making it compatible with both modern and traditional devices. Compact and Portable Form Factor: Measuring just 3.66 x 3.54 x 0.87 inches, this module is suitable for custom audio builds, speaker upgrades, or compact installations where space is limited. Use scenarios: Home theater or small living room setup: Use the 2.1 output for rich bass and clear midrange/treble with wireless streaming from a phone or tablet, or connect via AUX to a TV for enhanced sound. Retail or cafe ambiance: Stream background music wirelessly from a customer device or playlist player, while occupying minimal space in a display or counter area. DIY speaker upgrades or compact installations: Integrate it into compact speaker projects, kiosks, or custom enclosures where a small footprint and a dedicated subwoofer channel are advantageous.