Roku Ultra LT 2021 Ultra LT Streaming Device: Stream in 4K, Dolby Vision, and HDR10+ with sharp resolution and vivid color
For the family that wants to cut the cord without sacrificing quality, the Roku Ultra LT is your all-in-one streaming hub. It’s perfect for movie nights where everyone has different tastes, letting you switch between Disney+, Netflix, and 400+ free live channels on The Roku Channel in seconds. This isn’t just about home entertainment; it’s about simplifying your setup so you spend less time fiddling with remotes and more time enjoying shows together.
You get a lightning-fast interface that launches apps like Hulu or Apple TV+ without lag, paired with our best Wi-Fi for smooth 4K, Dolby Vision, and HDR10+ streaming in any room. The voice remote lets you search hands-free and control your TV’s power and volume, while headphone mode keeps the house quiet—plug in headphones or use the Roku mobile app for private listening. With easy voice control via Siri and Google Assistant, it integrates seamlessly into your smart home, making it a reliable choice for daily use.
Features
- Enjoy a lightning-fast interface and channels that launch in a snap
- Upgrade your streaming with a massive selection of free, live, and premium TV
- Enjoy easy voice control with Siri and Google Assistant
- Quickly search, play entertainment, and control your streaming device with the voice remote
- Power up your TV, adjust the volume, and control your streaming device with the Roku remote
- Listen without disturbing a quiet house with headphone mode
- Enjoy fast, smooth TV streaming in any room in the house with our best Wi-Fi or Ethernet
- Stream in 4K, Dolby Vision, and HDR10+ with sharp resolution and vivid color
General specs
- Brand: Roku
- Model: Ultra LT 2021
- Seller: Amazon
- ID: B0F3HQD9R8
- Dimensions: 50.8, 50.8, 50.8
- HDMI Ports: 1
- HDR Formats: Dolby Vision, HDR10+
- Wi‑Fi Bands: Dual-Band (2.4/5 GHz)
- Voice Assistant: Google Assistant
- Operating System: Google TV
- Max Output Resolution: 4K
- First listed by seller: 1/21/26
If you are interested in more details, you can find full information on the seller's page.
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| Brand | Roku | Roku | Roku | Roku | KICKPI | |
| Model | Ultra LT 2021 | Ultra 2024 | 4850R | Ultra LT Streaming | 810037291322 | KP1 |
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| Price | $61.00 | $74.99 | $79.00 | $57.98 | $98.47 | $70.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | January 21, 2026 | January 21, 2026 | January 21, 2026 | January 21, 2026 | January 21, 2026 | December 9, 2025 |
| Dimensions | 50.8, 50.8, 50.8 | 124.46, 25.4, 127 | 124.46, 25.4, 127 | 124.46, 25.4, 124.46 | 76.2, 25.4, 162.56 | 96.01, 23.11, 96.01 |
| HDMI Ports | 1 | 1 | 1 | |||
| HDR Formats | Dolby Vision, HDR10+ | HDR10+, Dolby Vision | Dolby Vision, HDR10+ | Dolby Vision | Dolby Vision | HDR10 |
| Wi‑Fi Bands | Dual-Band (2.4/5 GHz) | Dual-Band (2.4/5 GHz) | Dual-Band (2.4/5 GHz) | Dual-Band (2.4/5 GHz) | ||
| Voice Assistant | Google Assistant | Google Assistant | Google Assistant | Google Assistant | ||
| Operating System | Google TV | Android TV 11 | Google TV | Android 12 | ||
| Max Output Resolution | 4K | 4K | 4K | 4K | 4K | 4K |
| GPU | Mali-G57 MC1 | Mali-G31 MP2 | ||||
| RAM | 4 GB | 2 GB | ||||
| Storage | 32 GB | 32 GB | 32 GB | |||
| Processor | Quad-core Cortex-A55 | Quad-core Cortex-A53 | ||||
| USB Ports | 1 | 1 | ||||
| HDMI Version | 2.1 | 2.1 | ||||
| Video Codecs | AV1, H.265 (HEVC), H.264 (AVC), VP9 | H.265 (HEVC), H.264 (AVC), VP9 | ||||
| Ethernet Speed | 1000 Mb/s | 100 Mb/s | ||||
| Wi‑Fi Standard | 802.11ax (Wi‑Fi 6) | 802.11ax (Wi‑Fi 6) | 802.11ac (Wi‑Fi 5) | |||
| Bluetooth Version | 5.2 | 5.0 | ||||
| Audio Technologies | Dolby Atmos | Dolby Atmos | Dolby Atmos | Dolby Audio | ||