Take in every moment with breathtaking 4K Ultra HD on this 50-inch screen. It’s equipped with DTS Studio Sound to create realistic and immersive audio. Access live over-the-air channels and streaming—and control it all with your voice. Ask Alexa to launch apps, search for titles and more. Experience the affordable, yet high-performing Insignia NS-50DF710NA21 50" Class F30 Series LED 4K UHD Smart Fire TV.