Amazon Prime: Supports 4K, HDR, and Atmos.Netflix: Supports 4K, HDR, and Atmos on its $18-per-month Premium plans.Here are the ones that do as of August 2021: Step 2: Use 4K-friendly streaming servicesĮven with a 4K HDR TV, compatible streaming device, and Atmos audio system, you’ll still need streaming services that support these formats. Plug your streaming device into that input, and your soundbar or receiver will pass the video along to the TV through the same cable that handles the audio. If your HDMI-ARC slot is also the one that provides the highest video quality, you’ll need a soundbar or receiver with its own 4K-capable HDMI input.
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(This is especially true for devices with Dolby Vision HDR, which requires 12-bit color depth.) Check the labels on your HDMI ports or consult your TV’s manual for more details.įor Dolby Atmos, you’ll need a compatible soundbar or receiver hooked up to your TV’s HDMI-ARC slot, as the format doesn’t work over an optical cable or 3.5mm audio output (thoses connections just don’t have enough bandwidth to handle the data). You should also connect these devices to your TV’s best HDMI input, because some inputs may not support 4K or the color depth required for HDR. If you want to use an external streaming player with your 4K TV, make sure it supports 4K as well (as the Roku Express 4K+ does) to get the same picture quality.
For instance, you’ll need a 4K-compatible streaming player, such as Roku’s Express 4K+ or Amazon’s Fire TV Stick 4K.
The situation gets more complicated as you connect external streaming players to your TV, because now each link in the chain must support 4K and HDR as well.
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