Fangrui Product Details High-performance Audio Amplification: Experience Superior Sound Quality With Our 100w+100w Stereo Amplifier Module, Designed For Enthusiasts And Audiophiles Alike. This Amplifier Enhances Audio Clarity And Fidelity, For Your Home Theater Setup. Versatile Power Range: Operates Efficiently Across A Wide Voltage Range From 9v To 24v And Up To 5a, Ensuring Compatibility With Various Audio Setups And Minimizing Power Constraints. Wireless Bluetooth Connectivity: Easily Connect Your Devices Via Bluetooth With A Stable And Quick Setup. Enjoy Seamless Streaming Of Your Favorite Music Without The Hassle Of Wires. Ideal For Home Theaters: Transform Your Living Space Into A Dynamic Cinema Experience With This Powerful Amplifier Module. Its Ideal For Movies, Music, And Gaming, Providing Immersive Sound That Fills The Room. Product Name: Bluetooth Digital Audio Amplifier Board Product Model: Xy-d100h Power Supply: Dc 9-24v/5a Or Above Bluetooth Version: 5.1 Audio Source Input: Bluetooth/aux/u Disk/usb Sound