FullDigital PCM System with Noise Performance: A fully digital design using PCM delivers clean, stable audio with reduced audible noise from source to output. Bluetooth Version 5.3: Uptodate wireless standard for improved range, connection stability, and lower power consumption to support reliable everyday use. Supports Bluetooth Function and DualDevice Output: Can connect from a phone to Two Amplifier BOXs at the same time, enabling synchronized playback across multiple amplifiers. Dualchannel Stereo Output: Provides separate left and right channels for true stereo imaging and balanced sound. Compatibility and Connectivity: Designed to work with Bluetoothenabled devices, offering flexible wireless streaming from smartphones and other devices. Practical Use Scenarios: Home stereo setup: Pair a phone to Two Amplifier BOXs to deliver rich stereo music in a living room or open living space. Small office or studio monitoring: Use your phone to drive two amplifiers for quick, synchronized sound checks or monitoring across two outputs. Portable events or presentations: Stream same audio signal to two amplifiers to extend coverage in a small venue or meeting space.