
Unfortunately, you cannot directly connect your iPhone to the Topping DX3pro+ LDAC Headphone Amplifier via USB for music playback. The DX3pro+ isn't designed for a direct USB connection with iPhones. To enjoy your iPhone's music through the amplifier, you'll need an Apple USB Camera Adapter. This adapter allows you to connect USB devices to your iPhone. After obtaining the adapter, you can then connect your iPhone to the Topping DX3pro+ using a standard USB cable, enabling you to play your music through the amplifier.


