Take control of your day with the versatility and performance of 4K HDMI True Matrix Switch 4 in 4 out 4K 30Hz or 60Hz HDMI Matrix Switcher Splitter Selector 4x4 with Optical 3.5mm Audio Output. Smart, efficient, and built to last — an essential in any collection. Browse and buy online at Keser.pl — trusted products at great prices.