Kramer 4K60 4:4:4 4x1 HDMI Switcher with Audio and Control (Black)The SWT321H is a 21 HDMI automatic switcher for 4K60 4: 4: 4 signals that supports HDCP 2. 2, deep color, CEC, lip sync, multi channel HDMI audio, Dolby TrueHD, DTSHD, 2K, 4K, and 3D, features intelligent EDID processing, audio de embedding, automatic or manual display ON OFF, flexible control via remote IP, browser, local buttons, or contact closure triggers with a built in RS232 I O gateway, secure 802. 1x LAN operation, PoE powering, and a compact