Roku
Roku 55R8B5 55-Inch Pro Series 4K QLED Smart TV
★★★★★
4K
Roku's Pro Series 55" QLED TV delivers mini-LED brilliance, 120Hz gaming, and Dolby Atmos in a sleek, wall-friendly design.
$649.99*$899.99Save 27%
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Key Features
Elevate your entertainment: For TV buffs with taste—the Roku Pro Series TV is your centerpiece. Enjoy a powerfully simple streaming experience with brilliant 4K picture, immersive audio, and an elegant design. 55-Inch smart TV.
Bright, colorful picture: Watch rich, accurate hues pop off the QLED screen. Movies, TV and games come to life in exceptional clarity with Dolby Vision IQ.
Razor-sharp details: Dive into vivid highlights, deeper darks, and realistic depth with thousands of mini-LEDs that send light to the right places.
Blistering speed: Follow the action with a blazing-fast 120Hz refresh rate—perfect for watching live sports and gaming.
Picture, perfected: Powered by AI, Roku Smart Picture Max cleans up incoming TV signals, optimizes them for your TV, and automatically refines the color and sharpness for every show, sporting event, and even subtle scene changes.
Game on: Automatic game mode drops you right in the action. Enjoy tear-free gaming with Freesync Premium Pro, ALLM, and VRR.
A smarter remote: It’s fully rechargeable with hands-free voice controls and backlit buttons to help you find your way in the dark.
Blends in with any room: With a minimalist design that sits flat against the wall when on our custom mount (sold separately), your TV is a centerpiece—even when it’s off. It’s also compatible with universal mounts.
Immersive sound: Put yourself right in the action with rich Dolby Atmos audio. Surround yourself with room-filling sound thanks to new side-firing speakers.
Home theater ready: Create the home theater of your dreams with easy wireless upgrades for immersive surround sound and heart-pounding bass when you pair Roku audio devices.
Specifications
Screen Size
55 Inches
Display Technology
QLED with Mini-LED Backlight
Resolution
4K (3840 x 2160)
Refresh Rate
120 Hz
HDR Format
Dolby Vision IQ
Audio
Dolby Atmos with Side-Firing Speakers
Gaming Features
FreeSync Premium Pro, ALLM, VRR, Auto Game Mode
Connectivity
Bluetooth, Wi-Fi, USB-C, Ethernet, HDMI
Aspect Ratio
16:9
Dimensions
1.91" D x 48.6" W x 31.14" H
Weight
58.9 lbs
Remote
Roku Voice Remote Pro (Rechargeable, Backlit)
Color
Black
Pros & Cons
👍 Pros
- Mini-LED backlighting with local dimming produces deep blacks and vibrant highlights for a QLED panel
- 120Hz refresh rate with FreeSync Premium Pro and ALLM provides smooth, tear-free gaming
- Dolby Vision IQ and Roku Smart Picture Max automatically optimize picture settings per scene and ambient lighting
- Built-in Dolby Atmos with side-firing speakers delivers strong audio without requiring a soundbar
- Rechargeable voice remote with backlit buttons eliminates battery replacements
👎 Cons
- Custom flush-mount wall bracket is sold separately despite the TV being designed around it
- At 58.9 pounds, it is heavier than many competing 55-inch models, making solo mounting difficult
- Roku platform does not natively support certain streaming apps available on competing smart TV platforms
- Side-firing speakers protrude slightly, adding to the overall width beyond the bezel-less screen
Frequently Asked Questions
Does the Roku 55R8B5 support variable refresh rate for gaming?
Yes, it supports FreeSync Premium Pro, ALLM (Auto Low Latency Mode), and VRR at up to 120Hz, making it well-suited for console and PC gaming.
What type of backlighting does this TV use?
It uses a mini-LED backlight system with thousands of dimming zones, which provides deeper blacks and brighter highlights compared to standard LED-backlit QLED panels.
Does the remote need replacement batteries?
No, the included Roku Voice Remote Pro is fully rechargeable via USB-C, has backlit buttons, and supports hands-free voice commands.
Can this TV be mounted flush against a wall?
Roku offers a custom mount (sold separately) that allows the TV to sit flat against the wall. It is also compatible with standard VESA universal wall mounts.
Does the 55R8B5 have built-in speakers or do I need a soundbar?
It has built-in speakers with side-firing drivers and Dolby Atmos support, so it produces room-filling sound on its own. You can optionally pair Roku audio devices for surround sound.
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