The device features a standard chassis design with a 2U aluminum alloy panel and user-friendly handle design, combining aesthetics and practicality. ● It includes a high-contrast 128×64 English dot matrix display, providing clear audio source information . ● Built-in MP3 decoder and FM radio player with seamless switching capabilities. ● The MP3 player is compatible with multiple audio formats, including MP3 and WAV, and offers five preset sound modes. ● The built-in high-quality Bluetooth decoder chip ensures perfect sound quality, long transmission distance, and fast connection speed. ● The system provides five audio inputs: - Two standard line signals. - Two standard microphone signals. - One MP3/Bluetooth/FM signal. ● Each input has independently controlled volume with Volume