Blackmagic Design ATEM 2 M/E Constellation HD
Blackmagic Design ATEM 2 M/E Constellation HD is backordered and will ship as soon as it is back in stock.
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Blackmagic Design ATEM 2 M/E Constellation HD
The ATEM 2 M/E Constellation HD is the mid-range powerhouse of the Constellation HD line. It offers double the I/O of the 1 M/E model while remaining in a compact 1RU chassis, making it arguably the most popular choice for mobile production racks and corporate AV fly-packs in 2026.
It strikes a perfect balance between high-end layering capabilities and physical portability, providing a "big switcher" feel without taking up massive rack space.
Core Functionality & I/O
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20 Standards-Converted Inputs: Features 20 3G-SDI inputs, each with its own dedicated hardware converter. You can feed it a mix of 720p, 1080i, and 1080p sources from different cameras or laptops, and the switcher will automatically normalize them to your project rate.
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12 Independent Aux Outputs: Includes 12 3G-SDI outputs that are fully routable. This is ideal for sending unique feeds to different destinations, such as a localized program for a "clean feed" (no graphics), independent monitors for presenters, or specialized feeds for streaming encoders.
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2 Mix Effects (M/E) Rows: The "2 M/E" architecture allows you to create two separate program mixes. You can use one M/E to build a complex layered look for a broadcast and the second M/E to provide a simplified "IMAG" feed for the big screens in a live venue.
Advanced Creative Tools
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SuperSource Processing: Unlike the smaller 1 M/E model, the 2 M/E includes a powerful SuperSource multi-layer processor. This provides 4 additional DVE layers plus a background, allowing you to create complex "multi-box" layouts (like 4-person interviews) without using up your standard M/E keyers.
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8 ATEM Advanced Chroma Keyers: With 4 keyers per M/E, you can create sophisticated virtual sets or multi-layered compositions with high-quality transparency and edge control.
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Dual Multi Views: Includes two independent 3G-SDI multiview outputs. Each can be configured to show 4, 7, 10, 13, or 16 views, giving you a total of 32 simultaneous monitoring windows.
Technical Specifications
| Feature | Details |
| Video Standards | 720p, 1080i, 1080p (up to 60 fps) |
| Audio Mixer | 48-channel Fairlight Mixer (EQ, Dynamics, Gate) |
| Analog Audio | 2 x 1/4" TRS inputs for balanced stereo audio |
| Media Pool | 60 Stills, 2 Clips (up to 400 frames in 1080p) |
| Keyers | 8 Upstream, 2 Downstream |
| DVEs | 2 Independent DVEs + SuperSource |
| Chassis Size | 1 Rack Unit (1RU) |
Operational Insight (2026)
The ATEM 2 M/E is a "Swiss Army Knife" for live events. Its USB-C Webcam Output remains a critical feature in 2026, allowing it to act as a high-end video interface for hybrid events.
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Emergency Control: The front panel features a small 2.2-inch LCD and a set of control buttons. While not meant for complex switching, it is a lifesaver for troubleshooting or performing basic emergency cuts if your software control computer crashes.
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Talkback & Tally: It supports full professional talkback via a front-mounted 5-pin XLR headset jack or a rear RJ12 connector for standard intercom systems like ClearCom.
Pro Tip: Because this unit packs 20 inputs and 12 outputs into 1RU, it can generate significant heat. Always ensure there is at least a half-unit of "breathable" space above or below it in your rack to prevent the internal fans from working at 100% during a long broadcast.


