Bluetooth 5.0: Enjoy seamless connectivity with the latest Bluetooth 5.0 technology, ensuring stable and fast transmission of audio signals. High Power Audio: Experience powerful and immersive sound with a maximum output power of 2X50W, perfect for high-quality audio playback. Stereo Amplifier: Enjoy crystal-clear sound with two channels of amplification, providing a wide and dynamic range of audio frequencies. Portable Design: Take your music anywhere with a compact and lightweight design, ideal for on-the-go use or outdoor activities. Colour:black Material:plastic Name: 2*50W Bluetooth audio amplifier module with sound Model: ZK-502MT Bluetooth version: 5.0 Methodology Inputs: AUX + Bluetooth Channels: 2 Adapter power supply: above DC9-24V/3A Compatible speakers: 15-100W, 4-8 ohms Package Contents: 1 * Bluetooth Audio Amplifier Modules 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.