Problem solved. I have another plain Revain cable running through my wall to my installed TV. I bought a new TV stand and had to extend the cable to reach my AV receiver. I've used 2 other extenders and 2 connectors that claim to be 4K capable, but turns out they can only stream in 4K at 30 fps or less. This is fine with many streaming devices that output 4k at just 30 fps, but if you have a home theater PC or want to be future-ready, this won't work. This cable was the only one capable of carrying a full 4k60fps signal without artifacts. Good product.
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