From Manufacturer
Convenient, compact, and powerful, the UNO from iFi Audio is a 2-channel, USB-powered DAC and headphone amplifier, designed to elevate your music, movies, and games to new heights with an advanced DAC architecture. The UNO supports nearly any headphones or IEMs as well as active loudspeakers, with support for up to 300-ohm headphones and features such as automatic impedance matching to your preferred listening devices and three different EQ modes (Music, Movie, and Game) for optimal sound during your choice of entertainment.
The sophisticated ES9219 Sabre DAC chip sports quad DAC+ technology and a HyperStream III DAC architecture with time domain jitter elimination for stunning audio quality up to 32-bit / 348 kHz and support for PCM, DXD, DSD256, and MQA codecs. The premium amplification architecture ensures pristine sound quality whether using the 3.5mm headphone output or the gold-plated, stereo RCA line output, and the UNO comes with a USB-A to USB-C cable adapter to get you started right out of the box.