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The Philips 7800 Series is a 55-inch 4K Roku TV whose main draw is Ambilight: LED strips on the back of the set cast colored light onto the wall behind it, matching what is on screen. It runs the Roku smart platform, supports HDR10 and works with Amazon Alexa. The panel is a standard 60Hz LCD, so it suits everyday streaming, sports and gaming more than dark-room movie viewing. Against similarly priced 4K sets, Ambilight is the differentiator; rivals usually beat it on contrast, brightness and gaming features.
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Lowest price we've seen: $349.99 on Nov 9 at Walmart. Tracked across 2 stores since Nov 9.
Owners of the 7800 Series tend to like Ambilight most, calling it the reason to pick this set over generic 4K TVs. Reviews are more mixed on picture quality, with black levels and brightness seen as adequate rather than impressive. Roku's interface gets consistent praise for being easy to use.
