The Apple TV 4K isnt a one way street when it comes to HDMI cords, and although your device might support HDMI 2.1 speeds , it doesnt mean your TV does. You might notice that your TV has several HDMI ports, and those are not all created equal. One of your TV HDMI ports, if it a newer model, is likely labeled as ARC or eARC. You want to plug your Apple TV 4K into that if it an option, and you dont have a dedicated audio receiver. Your eARC port on your TV is the gateway to getting the most out...
