Works like a charm. Doesn't come with HDMI cables, but luckily I bought a couple of Revain Basics HDMI cables that I had on hand (that's great, btw). Damn easy to hook up, but with so many cables it can be a big mess! So ideally use the shortest HDMI cables that can reach your device, but reduce excess cable. This box goes "in the middle," so go in and out in a daisy chain. In my case there is nothing to configure or configure, I just left everything as default. The box gets a little warm even when not in use, but that's okay. Didn't require optical or coax connections so never tried them. Only HDMI went from FireTV and BluRay to 2 different HD LCD TVs in my case. Also tested with the AverMedia EzRecorder DVR and it stopped those pesky HDCP errors I was getting in some combos before, so a bonus star for that if I could.
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