Features: Experience immersive sound with 2.1 Channel sound Amplifier Board featuring high fidelitys sound reproduction and powerful 12V subwoofer circuit board, delivering clear treble and thunderous bass for professional sound performances. The modulars integrates standardized PCB architecture with heat resistant components, enabling toolless installation and seamless compatibility with existing speakers systems through simplified wiring connection. for audiophiles seeking studio quality sound, electronics enthusiasts upgrading home theaters, and outdoor adventurers requiring sound solution for mobile entertainment setups. Perfectly enhances movie night in living rooms, energizes camping trips with portable bass driven music, and upgrades car sound systems for thrillings on road listening experiences. Engineered for long reliability, this high performances sound module combines vibrations resistant construction with energy efficient 12VDC operations, ensuring distortionfree sound across diverse environments from indoor studios to outdoor event. Specifications: Materials: Circuit board Size: 63x45mm Package Includes: 1Set sound Amplifier Board note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.