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Magewell Ultra Stream SDI - Streaming Encoder


The Magewell Ultra Stream SDI accepts one SDI input and outputs up to two live streams over Wi-Fi or Ethernet. It can send a main stream and a substream to CDNs such as Facebook Live, YouTube and Twitch, or to RTMP servers. It supports resolutions up to 2048x1080 2K60, encodes the signal up to 1080p60 and outputs a main stream with bitrate up to 10Mb/s and a substream up to 2Mb/s. It can record the stream to the 32GB of internal storage or to an optional USB drive with resolution up to 720p30.

Connections include SDI input with loop-through output (which also supports up to 2K), an RJ45 port, a USB port for a flash drive, and microphone and headphone jacks. There are built-in controls for start/stop streaming and recording, and the rest of the controls are included in a WebUI, as well as a complementary iOS/Android app, which connects to the Ultra Stream SDI via Bluetooth.

Magewell - Avacab distribuidor oficial Magewell - Todos los productos Magewell en Avacab
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€452.00 Tax excluded
546,92 € Con IVA
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Magewell - Avacab distribuidor oficial Magewell - Todos los productos Magewell en Avacab
Avacab Official Dealer


Streaming encoder with SDI input. Simultaneous streaming to two servers. Supports RTMP over Flash Media Server, Wowza, Red5 or Nginx. Presets for streaming on Youtube Live, Twitch or Facebook Live. The main stream can be configured up to a maximum of 1080p60, while the secondary stream can be configured up to 720p30.  It could be crontolled by a PC or a Smatphone via App.

This encoder makes live streaming remarkably easy even for non-professional users, allowing them to record or stream high-quality video with a single click via buttons on the device or an intuitive smartphone application. Designed for users who want to stream in real time, but may have minimal technical knowledge. Users can stream to popular services such as YouTube, Facebook Live or Twitch or to a custom server. Streams can be streamed to a third-party service and to a custom server simultaneously, while real-time video previewing in the application allows for easy monitoring. In addition to streaming live, Ultra Stream can record video as files on a directly attached USB drive, embedded storage or the associated smartphone.


Magewell Ultra Stream SDI - Streaming encoder features

  • Streaming to Facebook, Twitch and YouTube platforms
  • Support for streaming to 2 servers simultaneously
  • Recording to USB flash drive
  • Recording to mobile device
  • Remotely control recording and streaming
  • Device configuration using Web UI



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Data sheet

Video Inputs
Max. Video Resolution
625i / 525i - SD
1280x720 - HD
1920x1080 - HD
Entradas Audio
No Balanceado
Data and Control
Recording Media
Codec / Ficheros
H.265 / HEVC
Magewell - Avacab distribuidor oficial Magewell - Todos los productos Magewell en Avacab
Avacab Official Dealer


Supported Mobile Clients

  • Android
    • Android 5.0 and above
  • iOS
    • iOS 9.0 and above
  • iPhone
    • iPhone 6s and above
  • iPod Touch
    • iPod Touch 7 and above

Supported Web Browser

  • Microsoft Internet Explorer 11
  • Microsoft Edge
  • Mozilla Firefox version 61 and above
  • Google Chrome version 49 and above
  • Apple Safari 11.1 and above
  • Opera 55.0.2994.44 and above

Input Interfaces

  • BNC
    • SD/HD/3G SDI
  • 3.5mm audio jack
    • Microphone interface

Output Interfaces

  • BNC
    • SD/HD/3G SDI
  • USB
    • USB 2.0
  • 3.5mm audio jack
    • Headphone interface

Network Interfaces

  • Wired Ethernet
    • 10/100/1000Mbps Ethernet
  • Wi-Fi
    • IEEE 802.11 a/b/g/n/ac
  • USB
    • USB 3G/4G Modem (not included)


  • Bluetooth 4.0 BLE

SDI Specific Features

  • Support for SD/HD/3Ga/3Gb/3Gb-DL/3Gb-DS standards
  • Support for 2K (2048x1080) input and loopthrough signals
  • Support for 8/10/12-bit color depths
  • Support for 60p, 60i, 50p, 50i, 30p, 25p signal formats
  • Limited support for the first stream of 3Gb-DS
  • Limited support for the first link of dual link interfaces
    • YCbCr 4:2:2 10-bit 1080p 50/59.94/60: output as 1080i 50/59.94/60
    • YCbCr 4:4:4 10-bit: output as 4:2:2
    • RGB 4:4:4: R/B sub-sampled

Analog Audio Features

  • Extracting stereo embedded HDMI audio for recording, streaming and output via headphone interface
  • Recording and streaming analog audio from the 3.5 mm microphone interface

Encoding Features

  • Support for H.264/HEVC (video) and AAC High Quality (audio) encoding
  • Support for video bitrates of up to 8Mbps for the Main Stream and 2Mbps for the Sub Stream
  • Support for encoding at input signal resolutions up to 1920x1080, including these lower resolutions: 1600x1200, 1600x900, 1440x1080, 1440x900, 1280x1024, 1280x960, 1280x800, 1280x720, 1024x768, 960x540, 800x600, 768x576, 720x576, 720x540, 640x480, 640x360, 480x360, 480x270 resolutions
  • Support for 60fps, 59.94 fps, 50fps, 30fps, 29.97 fps, 25fps, 24fps, 15fps, 10fps and 5fps frame rates

Streaming Features

  • Support for live streaming using RTMP/RTMPS protocol to software including Flash Media Server, Wowza, Red5 and Nginx server
  • Support for RTSP protocol
  • Streaming to Facebook, Twitch and YouTube platforms
  • Support for streaming to multiple destinations, up to 2 servers simultaneously
  • Support for specifying network priority when multiple networks are connected

Recording Features (to device & USB Flash Drive)

  • Support for recording to USB Flash Drive and internal storage (32GB)
  • Support for loop recording
  • Support for auto-recording when the input signal is stable
  • Support for recording video clips in different durations
  • Support for recording as MP4 or MOV files
  • USB Flash Drive file system formats: FAT32, NTFS, exFAT, VFAT
  • Support for downloading video clips which are stored in device storage using the WebUI

Recording Features (to Mobile Device)

  • Support for recording at up to 1280x720, 30fps
  • Support for recording as MP4 files
  • Taking still image snapshots during recording
  • Saving recording files and screenshots to system album
  • Previewing the main and sub streams
  • Timer recording: 15s, 30s, 1min, 2min, 5min

Remote Control Features

  • Support for connecting the device via Wi Fi, wired network, and device hotspot (i.e. AP mode)
  • Support for connecting the smart phone Wi-Fi to the device hotspot (i.e. AP mode)
  • Support for remotely controlling the device using WebUI and app
  • Support for remotely checking the device status
  • Support for setting volume, network, recording and live streaming parameters
  • Support for checking and safely updating device firmware (or resetting to the factory firmware version)
  • Support for simultaneous main stream and sub stream encoding with customizable parameters
  • In-app online help
  • Support for multiple users logging-in simultaneously
  • Support for device configuration using the WebUI

LED Indicator

  • Indicates the state of the input signal, Ethernet Network, Wi-Fi, USB flash drive
  • Indicates the working state of the device: startup, recording, streaming, updating

Form Factor

  • 94.20mm x 94.20mm x 22.30mm


  • AC adapter

Power Supply and Consumption

  • Power port
    • 5V/2A
    • 2.1mm x 5.5mm socket, centre pin positive
  • Max power consumption: ~6.0 W

Working Environment

  • Operating temperature: 0 to 40 deg C
  • Storage temperature: –20 to 70 deg C
  • Relative humidity: 5% to 90% non-condensing


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