- Description
- Total Video Inputs
- Total Video Outputs
- SDI Rates
- Total Audio Inputs
- Total Audio Outputs
- SDI Audio Inputs
- SDI Audio Outputs
- Timecode Connections
- Reference Input
- Video Input Re-Sync
- Frame Rate and Format Converters
- SDI Aux Outputs
- SDI Preview Outputs
- SDI Preview Outputs
- Down Converted SDI Program Output
- Webcam Output
- Total Multi Views
- Control Panel Connection
- Internal Timecode Generator
- Talkback
- Tally Output
- Ethernet
- Computer Interface
- SD Video Standards
- HD Video Standards
- Ultra HD Video Standards
- SDI Compliance
- Video Sampling
- Color Precision
- Color Space
- SDI Auto Switching
- Upstream Keyers
- Downstream Keyers
- Advanced Chroma Keyers
- SuperSource
- DVEs
- Linear/Luma Keyers
- Transition Keyer (Stinger/DVE)
- Total Number of Layers
- Pattern Generators
- Color Generators
- Control Panel
- Routable Windows
- Windows Source Labels
- Tally
- Talkback Support
- Mix Minus Support
- Multi View Monitoring
- Multi View Video Standard
- Media Players
- Channels
- Media Pool Still Image Capacity
- Media Pool Clip Capacity
- Media Player Clip Length in 720 HD
- Media Player Clip Length in 1080 HD
- Media Player Clip Length in 2160 UHD
- Media Pool Still Image Format
- Media Pool Video File Format
- Media Pool Audio File Format
- Front panel
- Processing Delay
- Audio Mixer
- Down Conversion
- Control Panel Included
- Software Updates
- Configuration
- Power Supply
- Power Usage
- Physical Installation
- Operating Temperature
- Storage Temperature
- Relative Humidity
- Shipping details
- Reviews
ATEM 2 M/E Constellation 4K is a powerful 2 M/E Ultra HD live production switcher. It features 20 standards converted 12G-SDI inputs, 12 12G-SDI aux outputs, 2 DVEs, 8 ATEM Advanced Keyers, 2 multiviews, media players, USB webcam output and a SuperSource for a total of 6 DVEs. You even get built in talkback and a professional 48 channel Fairlight audio mixer with EQ and dynamics!
Connections
20
12
1.5G, 3G, 6G, 12G
2 x balanced 1/4 inch Jack,
1 x 5 pin XLR Talkback.
1 x 5 pin XLR Talkback.
8 Ch embedded audio on all SDI inputs.
16 Ch embedded audio on all SDI outputs.
None
Tri-Sync or Black Burst.
On all 20 inputs.
On all 20 inputs.
Any of the 12 SDI outputs.
Any of the 12 SDI outputs.
Any of the 12 SDI outputs.
1
1 x USB-C supporting 720p or 1080p at PGM frame rate.
2 x 12G-SDI
Ethernet. Direct connection between panel and chassis, or via network.
Yes
RJ45 for 3rd party talkback systems.
Added via ethernet connection to Blackmagic Design GPI and Tally Interface product. (Not included).
Supports 10/100/1000 BASE-T.
1 x USB-C supports USB 2.0

Standards
None
720p50, 720p59.94, 720p60
1080i50, 1080i59.94, 1080i60
1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080p50, 1080p59.94, 1080p60
2160p23.98, 2160p24, 2160p25, 2160p29.97
2160p30, 2160p50, 2160p59.94, 2160p60
SMPTE 292M, SMPTE 296M, SMPTE 424M, SMPTE 425M level A and B.
SMPTE 2081‑1, SMPTE 2081‑10, SMPTE 2082‑1 and SMPTE 2082‑10.
4:2:2
10-bit.
REC 709, REC 2020
Automatically detects between 1.5G‑SDI, level A or level B 3G‑SDI, 6G‑SDI and 12G‑SDI.
Product Specifics
8
2
8
1
2
11
2 Stinger, 2 DVE.
15
11
2
Front fascia emergency switching, software or optional hardware panel.
32
Yes
Red for program and green for preview indication.
Yes
Yes
Multi View Monitoring
2 x multi view configurable to 16, 13, 10, 7 or 4 up views. Includes monitoring of Program, Preview, Inputs, Media Players, Key Masks, Clean Feed with optional labels and audio meters.
HD or Ultra HD
Media Player
2
Fill and key for each media player.
40
2 x up to 2160p60.
3200 frames.
1600 frames.
400 frames.
PNG, TGA, BMP, GIF, JPEG and TIFF.
TGA Sequence.
WAV, MP3 and AIFF.
Display
Built in 2.2 inch LCD monitor for video, 22 LED buttons for setup and emergency switching, 8 source buttons, 4 transition buttons, 6 talkback selection and mix buttons, menu control knob and set button, front panel lock button.
Processing
< 10 lines.
48 Channel mixer
Selectable On/Off/Audio-Follow-Video.
Level and Peak metering.
Master gain control.
6 band parametric EQ, Dynamics including Expander, Gate, Compressor and Limiter.
1 x selectable HD down converted output
Software
ATEM Software Control included free for Mac 13.0 Ventura, Mac 14.0 Sonoma or later and Windows 10 or 11.
Using USB or Ethernet connection directly connected to Mac or Windows computers. Includes ATEM Setup Utility.
Set via ATEM Software Control Panel, excluding ATEM chassis IP address which is set via the ATEM Setup Utility connected via USB to chassis.
Operating Systems

Mac 14.0 Sonoma,
Mac 15.0 Sequoia or later.

Windows 10 and 11.
Power Requirements
1 x Internal 100 - 240 AC.
140 W
Physical Specifications

Physical Installation
1 Rack Unit Size.
Environmental Specifications
0° to 40° C (32° to 104° F)
-20° to 60° C (-4° to 140° F)
0% to 90% non‑condensing
What's Included
ATEM 2 M/E Constellation 4K
Welcome wallet with QR code for software download
Warranty
1 Year Limited Manufacturer’s Warranty.
Our couriers will try to get your order delivered the day after your order is placed with us. The cut-off time for next day delivery is one pm on that day.
It is the customer's responsibility to ensure someone is available to sign for receipt of the goods at the delivery address provided. If our courier is unable to deliver for any reason, you may be invoiced for the attempted/failed delivery backcharge. Please double check your address is correct. Thank you.