Sound Clarity: The TPA3116D2 HIFI chip with AM interference suppression delivers fidelity audio with distortion below 0.1 percent even at power levels, ensuring clean and accurate sound. Wide Voltage Range: The ZK 1002 operates reliably from 5V to 24V, compatible with common 12V and 24V systems for easy installation and flexible use. Dual Connectivity: Supports Bluetooth 5.0 streaming and wired linein for versatile playback options in a single module. Builtin Protection: Includes over voltage, under voltage, overheating and short circuit safeguards to improve reliability and longevity. Practical use scenarios Home DIY audio amplifier: Integrate the ZK 1002 with a 12V or 24V power supply to power a compact HiFi setup, delivering clear audio from Bluetooth or linein sources. Bluetooth enabled speaker system: Use the module to add wireless 5.0 streaming to a bookshelf or compact speaker, with a wired linein option for turntables, PCs, or media players. Multisource embedded audio projects: Implement in custom audio enclosures, automotive or mobile applications that require broad voltage compatibility, reliable protection, and fidelity output.