3.5 months there were no problems with it. I also have a 1x4 HDMI splitter in another room where I can easily connect 3 TVs to one HD cable box. All TVs are 1080 as some reviews said that if you have 720 and 1080 on the splitter it will run at 720. I currently use 5 HDMI splitters in my entertainment center connected to my single HD cable and everything works. flawlessly with no loss of sound between TVs. I also grabbed a cable splitter so each TV could turn on a separate game or screen and just turn off the external TV. I also hooked this up to my surround sound and there was no problem either. I'm thinking of seeing if the HDMI wireless kit would work with my patio TV about 60 feet away from me instead of running an HDMI cable.
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