High-Performance Amplifier: Experience superior audio quality with our TPA3116D2 2.1 channel amplifier board, featuring a powerful 50Wx2+100W configuration that drives your speakers and subwoofer with clarity and precision Advanced Bluetooth 4.0 Technology: Enjoy seamless connectivity with the latest Bluetooth 4.0, ensuring stable and quick pairing with your audio devices. Stream your favorite music with ease and without the clutter of wires DIY Friendly: Perfect for audio enthusiasts and DIYers, this amplifier board is easy to install in your existing speaker system or a new custom build, enhancing your home audio or theater setup Versatile Use: Ideal for various applications, from home theaters to outdoor speakers or even small commercial systems. Enhance any audio setup with this versatile and powerful amplifier board Due to different batches, there may be differences in product appearance and printed text, which not affect use Color:Blue Material:PCB Package Contents: 1 * Amplifier Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.