Sony VPL-XW6000 Projector provides multiple connections, one of them is HDMI. When would we use this port? It is when you want to connect a video euquioment to the projector. Check out to see how to make use of HDMI port in this guide.
If you have some local video centent such as 4K movies, you can enjoy high picture quality by connecting equipment, such as a DVD player/recorder, Blu-ray Disc player/recorder, or PlayStation, equipped with the HDMI output to the HDMI input on the projector.
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Sony VPL-XW6000 Projector Zoom Picture Guide