ATEM 4 M/E Constellation 4K
Blackmagic Design

ATEM 4 M/E Constellation 4K

New 4K model combines all the powerful ATEM Constellation HD broadcast features with 40 x 12G-SDI standards converted inputs.!
Product Highlights
  • All in one switcher and control panel design
  • Supports connecting up to 8 x 12G-SDI cameras
  • Internal media for stills and motion graphics
  • 8 x standards converted 12G-SDI inputs
  • 9 x 3G-SDI program video outputs and 10 x 12G-SDI aux outputs
  • 4 port 10G Ethernet switch
  • Audio mixer supports limiter, compressor, 6 band EQ and more
  • 16 way multiview for monitoring all cameras on a single monitor
  • Live stream via Ethernet or mobile phones via USB
  • USB output operates as a webcam and supports all video software
  • Records to USB flash disks or optional internal cloud storage
  • Supports remote internet connected cameras on ISO model
  • Includes free ATEM Software Control for Mac and Windows
  • Localized for 13 popular languages

  • Overview
  • Tech Specs

ATEM 4 M/E Constellation 4K is a massive 4 M/E Ultra HD live production switcher. It features 40 standards converted 12G-SDI inputs, 24 12G-SDI aux outputs, 4 DVEs, 16 ATEM Advanced Chroma Keyers, 4 media players, 4 independent Ultra HD multi viewers, 2 SuperSource processors and more. You even get built in talkback and a professional 156 channel Fairlight audio mixer with EQ and dynamics!

Total Video Inputs 40
Total Video Outputs 28
Total Aux Outputs 24
SDI Rates 1.5G, 3G, 6G, 12G.
Total Audio Inputs 2 x balanced 1/4 inch Jack,
1 x 32 stereo channel BNC MADI in,
1 x 5 pin XLR Talkback.
Total Audio Outputs 2 x balanced 1/4 inch Jack,
2 x 32 stereo channel BNC MADI out,
1 x 5 pin XLR Talkback.
Timecode Connections None
Reference Input Tri-Sync or Black Burst.
Video Input Re-Sync On all 40 inputs.
Frame Rate and Format Converters On all 40 inputs.
SDI Video Inputs 40 x 10-bit 720p, 1080i, 1080p, 2160p.
SDI Audio Inputs 2 Ch embedded audio on all SDI inputs.
Extra Audio Inputs 1 x 5 pin XLR Talkback.
SDI Video Outputs 28 x 10-bit 720p, 1080i, 1080p, 2160p.
SDI Audio Outputs 2 Ch embedded into SDI output on all outputs.
Extra Audio Outputs 1 x 5 pin XLR Talkback.
SDI Program Outputs Any of the 24 SDI outputs.
Down Converted SDI Program Output None
SDI Preview Outputs Any of the 24 SDI outputs.
SDI Multi View Outputs 4
HDMI Multi View Outputs None
Webcam Output 1 x USB-C supporting 720p or 1080p at PGM frame rate.
Remote RJ12 supports RS-422.
Control Panel Connection Ethernet supports 10/100/1000 BaseT. Allows direct connection between panel and chassis, or via network.
Internal Timecode Generator Yes
Talkback RJ45 for 3rd party talkback systems.
Tally Output Added via ethernet connection to Blackmagic Design GPI and Tally Interface product. (Not included).
Computer Interface 1 x USB-C port.
SD Video Standards None
HD Video Standards 720p50, 720p59.94, 720p60
1080i50, 1080i59.94, 1080i60
1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080p50, 1080p59.94, 1080p60.
Ultra HD Video Standards 2160p23.98, 2160p24, 2160p25, 2160p29.97, 2160p30, 2160p50, 2160p59.94, 2160p60.
SDI Compliance 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, SMPTE 2082‑12.
Video Sampling 4:2:2
Color Precision 10-bit.
Color Space REC 709, REC 2020
SDI Auto Switching Automatically detects between 1.5G-SDI, level A or level B 3G-SDI, 6G-SDI and 12G-SDI.
Product Specifics
Upstream Keyers 16
Downstream Keyers 4
Advanced Chroma Keyers 16
SuperSource 2
Talkback Support Yes
Mix Minus Support Yes
Linear/Luma Keyers 21
Transition Keyer (Stinger/DVE) 4 Stinger, 4 DVE.
Total Number of Layers 28
Pattern Generators 21
Color Generators 2
DVEs 4
Control Panel Front fascia emergency switching, software or optional hardware panel.
Routable Windows 64
Tally Red for program and green for preview indication.
Windows Source Labels Yes
Multi View Monitoring
Multi View Monitoring 4 x 16 Multi View pattern options for up to 64 total views.
Multi View Video Standard Select HD or Ultra HD.
Media Player
Media Players 4
Channels Fill and key for each media player.
Media Pool Still Image Capacity 40
Media Pool Clip Capacity 4
Media Player Clip Length in 720 HD 3200 frames.
Media Player Clip Length in 1080 HD 1600 frames.
Media Player Clip Length in Ultra HD 400 frames.
Media Pool Still Image Format PNG, TGA, BMP, GIF, JPEG and TIFF.
Media Pool Video File Format TGA Sequence.
Media Pool Audio File Format WAV, MP3 and AIFF.
Interface Minimum monitor resolution of 1366 x 768.
Front panel Built in 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 Delay TBA
Audio Mixer 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.
Down Conversion TBA
Control Panel Included ATEM Software Control Panel included free for Mac 12.0 Monterey, Mac 13.0 Ventura or later and Windows 10 and 11.
Software Updates Using USB‑C connection directly connected to Mac OS or Windows computers. Includes ATEM Setup Utility.
Configuration Set via ATEM Software Control Panel, excluding ATEM chassis IP address which is set via the ATEM Setup Utility connected via USB‑C to chassis.
Physical Installation
Physical Installation
Physical Installation 2 rack units height.

Operating Systems
  • Mac
    Mac 12.0 Monterey,
    Mac 13.0 Ventura or later.
  • Windows
    Windows 10 and 11.

Power Requirements
  • Power Supply
    2 x Internal 100 - 240 AC 50/60Hz.
  • Power Usage