The Audioengine D1P 32 Bit Portable Headphone Amplifier & DAC features high-resolution 32-bit 384kHz PCM, DSD256, and MQA playback, USB-C input, optical input, analogue output, and a 3.5mm headphone jack, USB bus-powered and compatible with Windows, macOS, Android, and iOS devices. The D1P drives headphones ranging from 10 to 600 ohms, delivering premium sound quality on the go.