This review is based on the 55-inch Fire TV 4-Series. Apart from the screen-size difference, the $399.99 50-inch 4-Series is identical in features, and we expect similar performance. Note that a new ...

A new version of the Fire TV 4-Series is now available, which we plan to test soon. Given its low price, the 4-Series is predictably a bit chunky, with a black plastic body that expands to a thick 3.6 ...