The Xiaomi TV Q2 50'' supports eARC. eARC (Enhanced Audio Return Channel) is an advanced feature of HDMI 2.1 that simplifies and improves audio connectivity between a TV and external audio devices, such as soundbars or AV receivers.
For your reference, here are more details about eARC:
1. eARC supports higher bandwidth audio formats, including lossless audio formats like Dolby Atmos and DTS, delivering superior sound quality;
2. It allows for a single HDMI cable to transmit both video and audio signals, reducing cable clutter and simplifying setup;
3. eARC can automatically detect compatible audio devices connected to the TV, making it easier to configure and control;
4. eARC enhances synchronization between audio and video, minimizing lag and improving the overall viewing experience.