Blu-ray players Is 4K Blu-ray worth it? And other frequently asked Blu-ray questions by Crutchfield's Jeff Miller A 4K Blu-ray player is a super edition to any top-notch home theater system. 4K Ultra HD has sparked new interest in the world of Blu-ray players — and some new questions from our customers. I spoke tosome of our Advisors and collected the most popular questions they hear these days. Why 4K Blu-ray is worth it If you have a 4K TV and you want to see its best picture, you’ll want a 4K Blu-ray player. Ultra HD Blu-ray discs can hold much more data than standard Blu-ray discs, so they can deliver full 4K resolution along with enhanced color and contrast. 4K Blu-ray produces the sharpest, most textured picture quality I’ve seen on a 4K screen. Movies with HDR (High Dynamic Range) are particularly striking – closely matching the vibe of the full theater experience. What is HDR? HDR is a breakthrough technology that drastically improves 4K picture quality by increasing the contra...