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Osee GoStream Duet Multiple Camera SDI and HDMI Live Stream Video Mixer Switcher with SD Record and NDI HX Supported

Unit price  per 


If you purchased a Gostream Duet, please upgrade your firmware version to the latest one V2.1.1 here and then you get a free NDI license included.

Join our FB group to communicate with GoStream Deck fellow users! 

What's In The Box

GoStream Duet
Power Adaptor
Service Card

Tech Specs

5 Video Inputs

Channel 1-4: 

HDMI/SDI auto-detection, configurable.

Channel 5: 

NDI, UVC, internal video player selectable.

3 Video Outputs

HDMI OUT 1-2: 

Selected from 5 video input channels, multiview, PVW or PGM. 

USB 1: 

UVC output to OBS, Zoom, Vmix, etc.

2 Audio Input

MIC 1-2:

3.5mm Jack, MIC, MIC+power and Line configurable.

1 Audio Output


3.5mm Jack, selected audio monitoring.



Internal menu, software for PC or MAC, Stream Deck via companion plug-in.

Direct Streaming


3 platforms simultaneous  streaming, RTMP, up to 10Mb/s.

Audio Mixer


2 Analog Inputs, 4 HDMI/SDI audio, 1 AUX audio. On/Off/AFV control, fader gain, balance, and delays control; 8 audio meter display.

Multiview Monitoring

PGM/PVW, 5 channel preview, STILL 1-2 with source label (UMD), tally, marker, audio meter, fade Level, audio on/off and AFV; Recording, playback and streaming status; Control Menu.

Recording and Playback

Internal recording and playback high-quality H.264 up to 70Mb/s while streaming. Internal SD card or external SSD is supportted.

Input video format

1280x720p@50/59.94/60,1920x1080p@23.98/24/25/29.97/30/50/59.94/60, 1920x1080i@50/59.94/60

Output video format



Up to 8 Macros can be accessed via panel, more via software.

Super Source

2 windows + 1 background, 4 pre-defined layout with modification.

Other Effects

Upstream Key: 1; DSK: 1; Chroma Key: 1, Luma Key: 1, Transition: 18 patterns; Color Generator: 5; Pattern Generator: 2; PIP: 1; Still Image: 2 generators, 32 storage with key and fill, PNG format.


Power: 12V DC/14W; Weight: 500g; Dimension (W×H×D): 252.4×49.3×107.3mm; Working Temperature: 5°C to 40°C (41°F~104°F).

On-camera Monitors

5-7inch camera top monitors


Production Monitors

On-stand/desk field monitors


GoStream Deck Switcher

Live stream & video production



Accessories for osee products