Features: Experience high-quality sound with the ZK-QCC Bluetooth-compatible amplifier board, powered by-Qualcomm QCC3034 chipset. The-board is made-of durable acrylic and electronic-components, ensuring-longevity and reliability. Perfect for audiophiles and DIY enthusiasts who want to build their own speakers-or upgrade-existing-ones. Use it in your home theater system, car-audio-setup, or even as a portable amplifier for outdoor-events. With easy connectivity-options and advanced features, the ZK-QCC Bluetooth-compatible amplifier board delivers superior-sound performance-that will elevates your audio-experience. Specifications: Material:Acrylic+Electronic Component Size:Approx.7.4x4x2.5cm/2.91x1.57x0.98inch Style:QCC3034/QCC5125 Package Includes: 1 Set Amplifier Board note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.