AVS Special Member
Join Date: Jun 2005
Location: Northern, VA - Washington, DC
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It seems like the first thing you want to do, as mentioned above, is to test the extenders you have purchased.
The next thing to do is get a quality HDMI splitter.
All pieces must be powered to ensure some level of reliability, but you need to keep in mind that after buying a premium VTC unit, you are now going with the cheapest made products to finish up the installation, and your results will be hit or miss.
Power supplies can be bad, HDCP or EDID could be poorly managed, and a hundred other little things could be going on.
Monoprice sells some decent HDMI splitters which may work fine.
Purelink sells HDMI splitters which WILL work, guaranteed.
There are other companies out there as well which have HDMI splitters which are guaranteed to work.
Similarly, the HDMI extender you list may or may not work well and could introduce their own problems, so you definitely want to check every piece, one by one. That is, check every extender, check every display, then when you get a powered HDMI splitter check it without the HDMI extenders, with good HDMI cables, then check it by adding one extender at a time to the mix.
Even the displays could present an issue in this type of scenario if they aren't properly delivering EDID information or have any HDCP quirks, but I would expect them to be less of an issue than the rest.
AV Integrated - Theater, whole house audio, and technology installation in the Washington DC metro area.