Product Description: ZK 302T Digital Amplifier Module with Bluetooth 5.1 and TPA311D2 Chip Excellent Chip: The ZK 302T digital amplifier module is powered by the TPA311D2 chip, renowned for its ability to suppress AM interference and deliver low interference with excellent transfer effects. Its compact size enhances portability and ease of storage, making it a convenient choice for any audio setup. Stable Transfer: Featuring Bluetooth 5.1 technology, this amplifier module ensures a stable transfer distance of up to 10 meters (32.8 feet) in open environments. It also supports a 3.5 mm headphone plug, providing versatile connectivity options for your audio devices. Stereo Dual Channel: Enjoy a rich stereo experience with the module's dual-channel output, which ensures continuous high-power performance. The sound is delivered through left and right channels, offering an immersive audio experience for music lovers and audiophiles alike. Knob Control: Adjusting your audio settings is a breeze with the intuitive knob control, allowing for quick and easy adjustments of treble and bass. Constructed with durable PCB material, this module promises an extended lifespan and straightforward operation. Special Functions: Enhance your audio experience with the module's support for the BL APP. This feature allows users to customize their Bluetooth name, set passwords, adjust prompt tone volume, switch prompt tones, use sleep music, select sound effects, and organize USB drive playlists, providing a personalized and versatile audio experience. Circuit Guards: Safety is paramount with the ZK 302T, which is equipped with multiple circuit guards, including overheating, overvoltage, and undervoltage protection. These features ensure a high safety factor and strong practicality, making it an ideal choice for various sound applications. Elevate your audio experience with the ZK 302T Digital Amplifier Module, designed for both casual listeners and audio enthusiasts. Its combination of advanced features and user-friendly design makes it a perfect addition to any sound system.