The mini-i 3 incorporates Matrix Audio's 11-year technical accumulation and design philosophy for small audio DAC/AMPs. It is equipped with the same magnificent 3.3-inch LCD display at a lower price of this series, a built-in headphone amplifier with a fully balanced architecture, and a very powerful streaming audio playback functionalities. The mini-i 3 is Roon Ready certified and supports Apple AirPlay 2. The HD bluetooth connectivity supports LDAC and aptX HD protocols. It is a very cost-effective streaming DAC.