Magewell
Ultra Stream SDI
Best professional encoder for reliable live streaming and simultaneous content recording.
The Magewell Ultra Stream SDI is a professional-grade SDI streaming encoder designed for seamless live production workflows. It offers robust loop-through functionality and supports up to 3G-SDI input with 8, 10, or 12-bit color depth and 16-channel embedded audio. Stream high-quality video directly to platforms like YouTube, Twitch, and Facebook, or any RTMP/RTMPS server. Capture content simultaneously to internal SD, USB drive, or a paired mobile device using H.264 or H.265 encoding. Intuitive control is available via on-device buttons, a mobile app, or a comprehensive WebUI.
$375.00
Owner Satisfaction
4.7
/ 5
Category Rank
6
/ 235
#6 in Video Editing Hardware & Production Equipment
Price vs Category Average
-77%
Below average
Max Input & Loop-through Signal
2048108060
/ x fps
Who it's for
- Broadcast professionals needing reliable long-distance signal transmission
- Solo creators wanting fast, computer-free streaming setups
- Event producers requiring simultaneous multi-platform delivery and local backups
Who should skip it
- Advanced streamers requiring complex scene switching and graphic overlays
- Users who prefer physical controls over mobile app configuration
- Budget-conscious creators who only require HDMI connectivity
Performance breakdown
Streaming Reliability
Hardware-based encoding ensures stable, drop-free broadcasts for professional live production.
Workflow Versatility
Simultaneous recording and streaming capabilities streamline complex multi-destination production tasks.
Interface Accessibility
Intuitive mobile app and WebUI make remote management simple for any operator.
Signal Integrity
High-bit-depth support preserves color accuracy from input to final stream.
Portability
Compact, lightweight form factor fits easily into any mobile production kit.
Audio Flexibility
Robust 16-channel embedded audio support handles complex professional sound routing.
Key Specs
Max Input & Loop-through Signal
2048x1080 60fps
Color Depth Support
8/10/12-bit
Audio Encoding
2-channel AAC at 48kHz, 16-bit
Max Bitrate
Main Stream - 8Mbps, Sub Stream - 2Mbps
Connectivity
10/100/1000Mbps Ethernet, Wi-Fi 802.11ac
Power Supply
DC 5V/2A, Max Consumption: ~7.2 W
Operating Temperature
0 to 40 deg C
Dimensions
94.20mm x 94.20mm x 22.30mm
Features
- Dedicated SDI encoder with loop-through
- Native support for major streaming platforms
- Dual-stream encoding with H.265 (HEVC)
- Simultaneous multi-destination recording
- Supports 16-channel SDI embedded audio
- Remote control via WebUI and mobile app
- External microphone input
- Firmware upgradeable for future compatibility
What customers say
The Magewell Ultra Stream SDI earns high praise for its exceptional reliability and ease of use. Reviewers consistently describe it as a true set it and forget it solution, thanks to its simple one button streaming capability that streamlines complex live production. Its ability to encode H264 quality streams directly from SDI sources without needing a host computer is a major advantage. Users value the direct platform integration with YouTube and Facebook, which minimizes equipment needs, especially for field work. While the initial cost is premium, the stability, portability, and time savings confirm its high value for professionals prioritizing dependable performance. Minor feedback on the mobile app is overshadowed by its rock solid operational stability.
Know before you buy
Yes, the device supports simultaneous multi-destination streaming. You can push your feed to platforms like YouTube, Twitch, and Facebook, or any custom RTMP/RTMPS server simultaneously.
Absolutely. You can record your stream directly to an internal SD card, a connected USB drive, or even your paired mobile device while the live broadcast is running.
Yes, the SDI loop-through provides a seamless, zero-latency pass-through of your input signal, allowing you to monitor your source on a local display or feed it into a secondary production switcher.
In addition to the 16-channel embedded SDI audio, the device features a dedicated external microphone input, giving you flexibility for professional audio setups.
You have three primary control options: physical buttons on the device for quick actions, a dedicated mobile app for on-the-go adjustments, or a comprehensive WebUI accessible via any browser on your network.
Yes, it supports dual-stream encoding with H.265 (HEVC), which provides higher compression efficiency and better video quality at lower bitrates compared to standard H.264.
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