How To Contact Key Digital - Key Digital KD-4x4CSA Operating Instructions Manual
4/8 inputs to 4/8 outputs hdmi matrix switchers with audio de-embedding of analog l/r balanced/unbalanced & digital coaxial audio, supports ultra hd/4k & hdcp 2.2
Fat boy series video audio matrix switcher capable of switching up to 4 component (ypbpr) or rgbhv (vga) video sources with l&r analog or digital pcm audio sources/inputs to 4 independent zones/outputs (20 pages)