Blackmagic Design ATEM 4 M/E Constellation 4K Switcher

The Blackmagic Design ATEM 4 M/E Constellation 4K is a professional Ultra HD live production switcher built for large-scale broadcast, live events, sports, studio production, and multi-camera workflows. It provides 40 standards-converted 12G-SDI inputs and 24 dedicated 12G-SDI outputs, supporting HD and Ultra HD formats up to 2160p60.

With four M/E rows, four DVEs, 16 ATEM Advanced Keyers, four media players, four independent Ultra HD multiviews, and two SuperSource processors, the switcher gives production teams extensive control over complex live productions. All 40 inputs include frame-rate and format conversion, helping integrate different video sources into the same workflow.

The built-in 156-channel Fairlight audio mixer provides EQ, dynamics, level metering, and Audio-Follow-Video control for professional audio management. The ATEM 4 M/E Constellation 4K also includes USB-C webcam output, Ethernet control, talkback, internal timecode generation, and four dedicated SDI multiview outputs.

For more professional live production switchers and control equipment, explore Systec International’s Switchers & Controllers collection.

FAQs

How many video inputs does the ATEM 4 M/E Constellation 4K have?

It has 40 12G-SDI video inputs with built-in frame-rate and format conversion on every input.

Does it support 4K video?

Yes. It supports Ultra HD formats up to 2160p60 through its 12G-SDI connections.

How many outputs does the switcher provide?

It has 28 total SDI video outputs, including 24 dedicated auxiliary outputs.

How many M/E rows does it have?

The ATEM 4 M/E Constellation 4K has four M/E rows, along with four DVEs, 16 upstream keyers, and four downstream keyers.

Does it include an audio mixer?

Yes. It features a 156-channel Fairlight audio mixer with EQ, dynamics, level and peak metering, and Audio-Follow-Video control.