Free Express Shipping! Blackmagic Design ATEM 1 M/E Production Studio 4K Supports NTSC/PAL/HD/UHD 4K at 10-bit, Supports 4K Resolution over SDI or HDMI, 1 x HDMI & 10 x 6G-SDI Inputs, Tri-Sync/Black Burst Ref Sync Input, 10 x Built-In Frame...