Features: Transform your home system with this powerful 2.1 channel power amplifier module. Experience clear and dynamic sound with the quality chip used in this module. Perfect for music enthusiasts, enthusiasts, and electronics enthusiasts who want to improve their home system create their own speaker. Suitable for various setting such as home theaters, projects, and small performances. Take sound experience to height with this power amplifier module. Specifications: Component: Plastic Input: Bluetooth-compatible, USB Channel: 2.1(Left+Right+Subwoofer) Chip: TDA7498E Power: DC15-36V Output: 4-8Ω Size: As Shows Type: Multiple type to select, please refer to the picture Package Includes: 1 Set Power Amplifier Module note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.