ATEM 4 M/E Constellation 4K Plus

The Blackmagic Design ATEM 4 M/E Constellation 4K Plus is a high-end Ultra HD live production switcher built for large-scale events like concerts and sports. It features 80 x 12G-SDI inputs, 48 outputs, 16 chroma keyers, 4 media players, multi-views, and SuperSource processors for complex, layered productions.

With built-in control, real-time format conversion, advanced audio via MADI, and powerful graphics and keying, it delivers exceptional flexibility and performance. Its rack-mount design, integrated monitoring, and DaVinci Resolve compatibility make it a complete solution for professional broadcast workflows.

Connections

Total Video Inputs: 80
Total Video Outputs: 52
Total Aux Outputs: 48
SDI Rates: 1.5G, 3G, 6G, 12G
Total Audio Inputs:
2 x balanced 1/4 inch jack
2 x 64 channel BNC MADI in
1 x 5-pin XLR Talkback
Total Audio Outputs:
2 x balanced 1/4 inch jack
4 x 64 channel BNC MADI out
1 x 5-pin XLR Talkback
Timecode Connections:
1 x 3-pin XLR Timecode In
1 x 3-pin XLR Timecode Out
Reference Input: Tri-Sync or Black Burst
Video Input Re-Sync: On all 80 inputs
Frame Rate and Format Converters: On all 80 inputs
SDI Video Inputs: 80 x 10-bit 720p, 1080i, 1080p, 2160p
SDI Audio Inputs: 8 Ch embedded audio on all SDI inputs
Extra Audio Inputs: 1 x 5-pin XLR Talkback
SDI Video Outputs: 52 x 10-bit 720p, 1080i, 1080p, 2160p
SDI Audio Outputs: 16 Ch embedded into SDI output on all outputs
Extra Audio Outputs: 1 x 5-pin XLR Talkback
SDI Program Outputs: Any of the 48 SDI outputs
Down Converted SDI Program Outputs: 8
SDI Preview Outputs: Any of the 48 SDI outputs
SDI Multi View Outputs:
4 x dedicated outputs
Up to an extra 48 routable outputs
HDMI Multi View Outputs: None
Webcam Output: 1 x USB-C supporting 720p or 1080p at program 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). On any of the 48 SDI Outputs
Computer Interface: 1 x USB-C port

Standards

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 and 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: 20
Transition Keyer (Stinger/DVE): 4 Stinger, 4 DVE
Total Number of Layers: 28
Pattern Generators: 21
Colour Generators: 2
DVEs: 4
Control Panel: Front fascia emergency switching, software or optional hardware panel
Routable Windows: 64
Tally: Red for the program and green for the preview indication
Windows Source Labels: Yes
Multi View Monitoring: 4 x 16 Multiview 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: 64
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, TIFF
Media Pool Video File Format: TGA Sequence
Media Pool Audio File Format: WAV, MP3, AIFF

Display

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

Processing Delay: < 10 lines
Audio Mixer: 298 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

Down Conversion: 1 x selectable HD down-converted output

Software

Control Panel Included: ATEM Software Control Panel included free for macOS 14.0 Sonoma, macOS 15.0 Sequoia or later and Windows 10 and 11
Software Updates: 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
Operating Systems:
macOS 14.0 Sonoma, macOS 15.0 Sequoia or later
Windows 10 and 11, Windows 11 for ARM

Power Requirements

Power Supply: 2 x Internal 100 - 240 AC 50/60Hz
Power Usage: TBA

Physical Specifications

Physical Installation: 4 rack units height

Environmental Specifications

Operating Temperature: 0° to 40° C (32° to 104° F)
Storage Temperature: -20° to 60° C (-4° to 140° F)
Relative Humidity: 0% to 90% non-condensing