Crestron Intros New Line of HDMI Switchers By AVNetwork Staff last updated 6 April 21 Crestron has introduced five new HDMI Switchers covering a broad range of sizes and applications, including 4x1, 4x2, 4x4, 8x4, and 8x8, with support for 4K60 4:4:4 at 18Gbps.