supply of supply of hdmi 4*2 video mixer switcher , supply of hdmi 4*2 video mixer switcher with following specifications: (i) 4 x hdmi type-a f emale (black), (ii)video outputs: 2 x hdmi type-a female (black), (iii)max resolution: true 4k up to 4096 x 2160 @ 60hz (4:4:4), (iv)hdmi standard: hdmi 2.0 (3d, deep color, 4k) and hdcp 2.2 compliant, (v)max d ata rate: 18 gbps (6 gbps per lane), (vi)audio outputs: optical (toslink), coaxial (rca), and analog stereo (2 x rca) for audio extraction, (vii)control methods: front-panel push buttons, ir remote control, and bi-dir ectional rs-232 serial control port, (viii) special features: audio return channel (arc), auto switch (autom atically detects new sources) [ warranty period: 30 months after the date of delivery ] ]