Product Overview
The osee GoStream Duet is a versatile and compact video mixer switcher designed for live production and streaming. It offers a wide range of input options, multiple control methods, and advanced features for professional-grade video mixing and streaming.
Key features include enriched input selection from 4 SDI, 4 HDMI, USB-Type C, NDI HX sources, and SD/SSD playback. It supports multiple control methods via its built-in GUI, computer software (Mac and Windows), and Bitfocus Companion. The device provides rich key effects and transitions, including Luma Key, Chroma Key, Pattern Key, PIP, DSK, MIX, DIP, WIPE, and T-Bar. It is highly compatible with various live streaming platforms, allowing streaming to up to 3 platforms simultaneously directly via Ethernet or smartphone hotspot. The GoStream Duet offers an affordable professional streaming solution, integrating functionalities typically found in multiple devices.
Setup and Connections
Before operating your osee GoStream Duet, ensure all necessary connections are made securely.
Power Connection
Connect the provided power adapter to the '12V' input on the rear of the GoStream Duet and plug it into a power outlet. The device comes with interchangeable plugs for European, UK, and American outlets.

Front view of the osee GoStream Duet, showing the control panel with buttons, knobs, and a T-bar for transitions.
Video Inputs
The GoStream Duet supports a variety of video inputs:
- SDI Inputs: Connect up to 4 SDI cameras or video sources to the SDI IN ports (1-4) on the side of the unit.
- HDMI Inputs: Connect up to 4 HDMI devices (e.g., cameras, laptops, game consoles) to the HDMI IN ports on the rear.
- USB-Type C: Use the USB-Type C port for additional video sources or for connecting to a computer.
- NDI HX: The device supports NDI HX sources, allowing for network-based video input.
- SD/SSD Playback: Insert an SD card or connect an SSD for media playback.

Rear view of the osee GoStream Duet, highlighting the 4 HDMI inputs and 2 HDMI outputs, along with SDI inputs on the side.

Detailed view of all ports on the osee GoStream Duet, including MIC, HDMI IN, HDMI OUT, USB, Ethernet, and SDI IN.
Audio Inputs
Connect external microphones or audio sources to the 3.5mm Jack (MIC) input for audio mixing.
Video Outputs
The GoStream Duet features multiple outputs:
- HDMI Outputs: Two HDMI outputs are available, configurable for Multiview, Program Out, or Preview.
- USB-Type C: Can also be used for video output to a computer for streaming or recording.
Network and Streaming Connections
- Ethernet: Connect an Ethernet cable for direct network streaming.
- Smartphone Hotspot: Connect a smartphone via USB-Type C to use its mobile hotspot for streaming, providing increased mobility.
The following video demonstrates the setup process and various connections of the osee GoStream Duet:
Official osee video demonstrating the physical setup and connection of the GoStream Duet, including power, SDI, and HDMI inputs. (Video segment from 0:29 to 0:45 and 2:47 to 3:01)
Operating Instructions
The osee GoStream Duet is designed for intuitive operation, allowing users to manage multiple video sources and transitions seamlessly.
Input Selection and Switching
The device features dedicated buttons for program (PGM) and preview (PVW) selection. You can select from 4 SDI, 4 HDMI, USB-Type C, NDI HX, and SD/SSD playback sources. The menu allows you to pick which input type is active for each channel.

The GoStream Duet being controlled, showing the interface on a connected monitor and the physical controls.
Transitions and Effects
Utilize the T-bar for smooth transitions between program and preview. Various transition types like MIX, DIP, and WIPE are available. The mixer also supports advanced key effects such as Luma Key, Chroma Key, Pattern Key, PIP (Picture-in-Picture), and DSK (Downstream Key).

An overview of the GoStream Duet's professional streaming capabilities, including computer software and NDI license.
Streaming and Recording
Initiate streaming by holding down the 'STREAM' button. The device can stream directly via Ethernet or by connecting a smartphone for hotspot functionality. Recording to an SD card or external SSD is also supported.
The following video demonstrates the operational aspects and streaming capabilities of the osee GoStream Duet:
Official osee video demonstrating the operational use of the GoStream Duet in a live production environment, including switching inputs and using the T-bar. (Video segment from 3:02 to 3:16 and 6:34 to 7:12)
Maintenance
To ensure the longevity and optimal performance of your osee GoStream Duet, follow these maintenance guidelines:
- Keep the device clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the unit to extreme temperatures, humidity, or direct sunlight.
- Ensure proper ventilation to prevent overheating.
- Regularly check cable connections for any signs of wear or damage.
Troubleshooting
If you encounter issues with your GoStream Duet, consider the following common solutions:
- No Video Input: Check all cable connections (HDMI, SDI) and ensure sources are powered on and outputting a compatible signal. Verify input selection in the device menu.
- No Stream/Recording: Check network connectivity (Ethernet or hotspot). Ensure sufficient storage space on SD card/SSD. Verify streaming settings and platform configurations.
- Device Unresponsive: Power cycle the device by disconnecting and reconnecting the power adapter.
For more detailed troubleshooting or persistent issues, please refer to the full product manual or contact osee customer support.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 4.2 x 10.6 x 1.94 inches |
| Item Weight | 2.64 pounds |
| Item Model Number | GoStream Duet |
| Manufacturer | osee |
| Compatible Devices | Camera, Monitor, Laptop |
| Connector Type | 3.5mm Jack, DC, Ethernet, HDMI, SDI, USB-type C |
| Color | GoStream Duet |
Warranty and Support
The osee GoStream Duet comes with a 1-Year Warranty and Lifetime Technical Support. osee is committed to providing high-performance, quality, and user-friendly products, focusing on technical innovations. They offer 24/7 live chat and call center support to help users concentrate on content creation, capture, editing, and streaming in the highest quality.
Additional protection plans are available for purchase:
- 2-Year Protection Plan: Available for $36.99
- 3-Year Protection Plan: Available for $48.99
- Complete Protect: A monthly plan at $16.99/month covering all eligible past and future purchases.
For support, please visit the osee Store on Amazon or contact their customer service channels.





