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I bought the 4K, 55" Insignia Model: NS-55DR620NA18 a few months ago. This is my third TV manufactured by Insignia and have high praise for the brand. My first Insignia TV was a 26" 720p LCD that I bought in the 90s (paid $500.00 for it) and it was still working fine when I replaced it over 10 years later. I really like this TV. The picture quality is outstanding, wireless built in Roku, simple remote control (you don't really need all of those buttons), ample HDMI ports, USB support for real time replay and viewing pictures, 802.3 Ethernet port for firmware updates, V-chip, energy efficient, and reasonably light weight. These were the things that were important to me. Best Buy delivered the TV and installed it, free of charge. I did quite a lot of research on refresh rates before buying this TV. I was worried that the 60hz refresh rate would not be good enough to minimize blurring during fast action sequences. LCD panels used in the manufacture of LCD and 4K TVs get more expensive as the refresh rate goes up so TV manufacturers developed other, less expensive technology such as backlight scanning and video processing which can decrease or eliminate the picture blurring without increasing the refresh rate of the LCD panel thus allowing the manufacturer to market a good product for less money. I should also mention that my research showed that there is a human factor involved when it comes to blurring on fast action sequences. Everyone's brain seems to interpret motion differently. And because of that some folks are more sensitive or less sensitive to actually seeing the images blur on the panel. How your brain interpret motion? I personally don't notice much difference in picture quality between TVs with refresh rates higher than 60Hz so the 60Hz Insignia TV works great for me. However, I would probably consider going to a higher refresh rate if I were buying a TV larger than 55" because the blur may be more noticeable. If you want more detail about refresh rates and frame rates please read the article associated with the link below. https://www.cnet.com/news/fake-refresh-rates-is-your-tv-really-120hz/
Sorry, there was a problem. Please try again later.Yes. 120 HZ effective.
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