Key benefits Wide power range for scalable output The unit operates from a DC power supply in the 8V to 24V range. The higher the voltage supplied, the greater the output power available. USB drive playback with app based control Simply plug in a u disk, open the app to switch to inchu diskinch mode, and enter the u disk playing mode with a prompt tone for easy operation. Versatile inputs and fidelity sound Version 3.5.0 supports aux input and 3.5 mm audio output. It can play directly from a USB flash drive and delivers hifi sound. Important power considerations for performance The output power of the power supply must be greater than the power amplifier rating to achieve playback quality and reliable speaker output. Sound quality advantage When paired with a suitable receiver and speakers, the device can deliver sound quality better than typical computer sound output. Usage scenarios Home stereo enhancement Use as a dedicated USB drive music source with local playback. Connect to your amplifier or receiver, power with a capable DC supply, and use the app to switch to inchu diskinch mode for USB drive playback with a prompt tone. DIY audio projects and studios Ideal as a compact audio source for hobbyist builds or small studio setups. Use the aux input for external devices, or play directly from a USB flash drive while leveraging the hifi output for quality monitoring. Mobile or vehicle installations With a DC power supply in the 8V–24V range, suitable for automotive or portable setups. It can provide a robust audio source for car or mobile audio systems, delivering improved sound quality over standard computer sound outputs when connected to a receiver and speakers.