Bestbuy offers Insignia - 75" Class F50 Series LED 4K UHD Smart Fire TV for $449.99 (orig. $599.99) with free shipping.

Product Description:
This 75-inch screen uses 4K Ultra HD for vibrant, true-to-life images. Plus, DTS Studio Sound speaker technology delivers life-like sound from your TV. 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. The Insignia NS-75F501NA25 75" Class F50 Series LED 4K UHD Smart Fire TV is ready for an unforgettable night of entertainment. 

• 4K Ultra HD (2160p resolution)
  Enjoy breathtaking HDR10 4K movies and TV shows at 4 times the resolution of Full HD, and upscale your current content to Ultra HD-level picture quality.
• High Dynamic Range
  Provides a wide range of color details and sharper contrast, from the brightest whites to the deepest blacks.
• Alexa voice control
  The Alexa Voice Remote lets you easily control your entertainment, search across apps, switch inputs, and more using just your voice. Press and hold the voice button and ask Alexa to easily find, launch, and control content, and even switch to cable.
• Access thousands of shows with Fire TV
  Watch over 500,000 streaming movies and TV episodes with access to thousands of channels, apps and Alexa skills, including Apple TV+, Disney+, Hulu, Netflix, Prime Video, Sling TV, YouTube and other services right from this TV.*
• DTS Studio Sound
  This premium audio enhancement suite creates realistic and immersive audio with two-speaker playback that expands your sense of space and ambience.
• Supports HDMI ARC and HDMI eARC
  Sends audio directly from the HDMI jack to a compatible soundbar or AV receiver, removing the need for an extra cable.
• Versatile connections
  Connect your home theater components such as a Blu-ray player, game console, speakers, cable/antenna and more. TV connections include 3 HDMI ports, composite (AV) jacks, digital optical output, USB port, headphone jack, coaxial jack, ethernet port and Wi-Fi technology.
• LED-backlit LCD screen
  With reliable and long-lasting LED lighting, this LCD screen delivers a wide range of colors and contrast for a memorable viewing experience.
• Parental controls
  Manage your children’s viewing by blocking content based on program ratings or entire channels. Once the kids are in bed, access whatever you want with a simple PIN.
• Wall mountable
  Compatible with VESA pattern 400 × 300 for simple and safe wall mounting.
• Supports Apple AirPlay
  Share videos, photos, music and more from an Apple device to your TV with the touch of a button.
• Sustainably Focused
  The outer package for this product has been manufactured with sustainably sourced paper, certified by the Forest Stewardship Council (FSC®). FSC certification ensures that packaging comes from responsibly managed forests to help protect the planet—today and tomorrow.