An HDMI splitter accepts one source and casts it on more than one television screen. An HDMI switch, on the other hand, takes more one than source, and then sends it to one device or T.V. via the cable output.
The HDMI switch routes different sources at resolution up to 4Kx2K@60Hz ultra HD to 1 HDMI display. The unit with HDMI inputs, which makes this unit ideal for simultaneous connection of multiple HDMI devices, such as HDTV, set top box, DVD etc. It support IR and RS232 control.
HDMI Splitters do not automatically reduce quality because they are copying a digital signal. But using lower quality hardware or a non-powered HDMI Splitter is less of a guarantee. Splitters used with very long HDMI cables may have signal quality issues due to the cable length