- 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 Program Outputs
- Down Converted SDI Program Output
- Webcam Output
- Total Multi Views
- Remote
- Control Panel Connection
- Internal Timecode Generator
- Talkback
- Tally Output
- Ethernet
- Computer Interface
- SD Video Standards
- HD Video Standards
- SDI Compliance
- Video Sampling
- Color Precision
- Color Space
- SDI Auto Switching
- Upstream Keyers
- Downstream Keyers
- Advanced Chroma Keyers
- SuperSource
- Talkback Support
- Mix Minus Support
- Linear/Luma Keyers
- Transition Keyer (Stinger/DVE)
- Total Number of Layers
- Pattern Generators
- Color Generators
- Control Panel
- Routable Windows
- Tally
- Windows Source Labels
- Multi View Monitoring
- Multi View Video Standard
- Display Minimum Resolution
- 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 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
The massive 4 M/E model doubles the features of the 2 M/E model with 40 x 3G-SDI inputs, 24 x 3G-SDI outputs, 4 DVEs, 16 ATEM Advanced Keyers, 4 multiviews and 2 SuperSource for 12 x DVEs in total.
Connections
40
24
1.5G, 3G
2 x balanced 1/4 inch Jack,
1 x 32 stereo channel BNC MADI in.
1 x 5 pin XLR Talkback.
2 x balanced 1/4 inch Jack,
2 x 32 stereo channel BNC MADI out.
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 40 inputs.
On all 40 inputs.
Any of the 24 SDI outputs.
Any of the 24 SDI outputs.
Any of the 24 SDI outputs.
None
1 x USB-C supporting 720p or 1080p at PGM frame rate.
4 x 3G-SDI
RJ12 supports RS-422
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
SMPTE 292M, SMPTE 296M, SMPTE 424M, SMPTE 425M level A and B.
4:2:2
10-bit.
REC 709
Automatically detects between 1.5G-SDI and level A or level B 3G-SDI.
Product Specifics
16
4
16
2
Yes
Yes
21
4 Stinger, 4 DVE.
28
21
2
Front fascia emergency switching, software or optional hardware panel.
64
Red for program and green for preview indication.
Yes
Multi View Monitoring
4 x multi views each configurable to 16, 13, 10, 7 or 4 up views. Includes monitoring of Program, Preview, Inputs, Media Players, M/Es, DSKs, SuperSource, Clean Feed with optional labels and audio meters.
HD
1366 x 768
Media Player
4
Fill and key for each media player.
60
4 x up to 1080p60.
1200 frames.
600 frames.
PNG, TGA, BMP, GIF, JPEG and TIFF.
TGA Sequence.
WAV, MP3 and AIFF.
Display
Built in 5 inch HD LCD monitor for video, 42 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.
156 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.
None
Software
ATEM Software Control Panel included free for Mac 11.11 Big Sur, Mac 12 Monterey 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
2 x Internal 100 - 240 AC.
147W estimated.
Physical Specifications

Physical Installation
2 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 4 M/E Constellation HD
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.