Ultra Stream HDMI

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Standalone box for recording and streaming, 1-channel HDMI with loop-through out, plus extra audio mic in/out
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Mac & Win
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The Magewell Ultra Stream HDMI is a single-channel HDMI streaming encoder that can encode streams up to 1080p at 60 fps for popular content delivery networks (CDNs) such as YouTube Live, Facebook Live, and Twitch, or custom RTMP servers. Simultaneously, you can record the stream to your mobile device or a USB drive plugged into the front panel USB 2.0 port. All the device's controls are found in the mobile app for iOS and Android devices. Simple push-button controls to start/stop streaming and recording are on the unit itself.


The HDMI input can accept UHD and DCI 4K signals up to 60 fps, so streaming from PCs or game consoles that support 4K output doesn't require any other hardware. Use the HDMI loop output to view the unaffected input signal at its full resolution. Internally, the Ultra Stream HDMI will downscale it appropriately for streaming and/or recording. If you like to have live audio over your streams and recordings, use the 3.5mm input jack to plug in a mic and the other 3.5mm jack to monitor on headphones.

Input Interfaces


HDMI 1.4a

3.5mm audio jack

Microphone interface

Output Interfaces


HDMI loop-through


USB 2.0

3.5mm audio jack

Headphone interface

Network Interfaces

Wired Ethernet

10/100/1000Mbps Ethernet


IEEE 802.11 a/b/g/n/ac


USB 3G/4G Modem (not included)


Bluetooth 4.0 BLE

HDMI SpecificFeatures

Support for up to 4096x2160 4:4:4/4:2:2 30fps or 4096x21604:2:0 60fps input and loopthrough signals

Support for 8/10/12-bit color depths

Support for 60p, 60i, 50p, 50i, 30p, 25p signal formats

For 4:2:0 input signals, the horizontal and verticalresolution will be reduced to 1/2 for capturing

For 4:4:4/4:2:2 input signal at more than 170MHz, thehorizontal and vertical resolution will be reduced to 1/2 for capturing.

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 mmmicrophone 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 MainStream and 2Mbps for the Sub Stream

Support for encoding at input signal resolutions up to1920x1080, including these lower resolutions: 1600x1200, 1600x900, 1440x1080,1440x900, 1280x1024, 1280x960, 1280x800, 1280x720, 1024x768, 960x540, 800x600,768x576, 720x576, 720x540, 640x480, 640x360, 480x360, 480x270

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 tosoftware including Flash Media Server, Wowza, Red5 and Nginx server

Support for RTSP protocol

Support for streaming to Facebook, Twitch and YouTubeplatforms

Support for streaming to multiple destinations, up to 2servers simultaneously

Support for specifying network priority when multiplenetworks are connected

Recording Features(to device & USB Flash Drive)

Support for recording to USB Flash Drive and internalstorage (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 indevice 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 ControlFeatures

Support for connecting the device via Wi Fi, wired network,and device hotspot (i.e. AP mode)

Support for connecting smart phone Wi-Fi to the devicehotspot (i.e. AP mode)

Support for remotely controlling the device using WebUI andapp

Support for remotely checking the device status

Support for setting volume, network, recording and livestreaming parameters

Support for checking and safely updating device firmware (orresetting to the factory firmware version)

Support for simultaneous main stream and sub stream encodingwith 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 andConsumption

Power port

DC 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

  • Magewell Ultra Stream HDMI
  • Power Supply
  • Limited 1-Year Warranty

Supported Mobile Clients


Android 5.0 and above


iOS 9.0 and above


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

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