Specification: Origin: Mainland China Model: XY-D50H Power supply: DC 5-24V/5A Amplifier chip: TPA3116D2 BT-Compatible version: 5.1 Audio input: BT+AUX+USB driver USB decoding: WAV FLAC APE MP3 Output power of left and right channels: 2*10W@8Ω/12V 2*20W@4Ω/12V 2*30W@8Ω/24V 2*50W@4Ω/20V Protection mechanism: overvoltage, short circuit, overheating, overcurrent protection, etc. Remote control function: New Yealink APP Lighting mode: volume mode + colorful mode 1 + colorful mode 2 Product size: 60.00x60.00x23.00mm/2.36x2.36x0.91inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1*Amplifier Board 1*Adapter 1*Screwdriver 1.Rhythmic LED Lights: Elevate your audio experience with our audio power amplifier module's built-in music rhythm lights, featuring four levels of brightness adjustment and two selectable rhythm patterns to match your mood and enhance your listening environment. 2.High-Power Performance: Enjoy robust, dynamic sound with our HIFI stereo audio amplifier board's support for DC 5-24V/5A input and a powerful output of 50W+50W, ensuring your music fills the room with high-fidelity audio. 3.Advanced Protection Circuitry: Your safety is paramount, which is why our audio amplifier board is designed with comprehensive protection mechanisms, including overvoltage, short circuit, overheating, and overcurrent safeguards to keep both the device and the user secure. 4.Multifunctional Control Knob: Simplify your sound setup with our hifi stereo audio amplifier controller's versatile volume knob, which not only adjusts volume levels but also switches play modes and powers the device on or off, offering convenience at your fingertips. 5.App-Enabled Connectivity: Take control of your audio system from anywhere with our digital power amplifier's smartphone app, providing effortless remote operation and the latest BT-Compatible 5.1 technology for extended transmission range and a seamless connection.