Total Video Inputs
40
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Shipping Estimate
USA
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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
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Description
ATEM 4 M/E Constellation 4KATEM 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 multiviews, 2 SuperSource processors and more. You even get built in talkback and a professional 156 channel Fairlight audio mixer with EQ and dynamics! Connections Total Video Inputs 40 Total Video Outputs 28 Total
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 multiviews, 2 SuperSource processors and more. You even get built in talkback and a professional 156 channel Fairlight audio mixer with EQ and dynamics!
Connections
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
8 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
16 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
1
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.
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
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
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 and TIFF.
Media Pool Video File Format
TGA Sequence.
Media Pool Audio File Format
WAV, MP3 and 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
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
1 x selectable HD down converted output
Software
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 or Ethernet connection directly connected to Mac 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.
Power Requirements
Power Supply
2 x Internal 100 - 240 AC 50/60Hz.
Power Usage
255 W
Physical Specifications
Physical Installation
Physical Installation
2 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
What's Included
ATEM 4 M/E Constellation 4K
Welcome wallet with QR code for software download
Warranty
1 Year Limited Manufacturer’s Warranty.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
100% Cotton Pillows .
Color: White, Size: Queen Size Set of 2, Color: White, Size: Queen Size Set of 2
These pillows feel soft and fluffy without being too flat. They provide nice support for the neck and feel comfortable whether sleeping on your side or back. After several nights of use, they still keep their shape well and don’t feel too warm during the night. The set comes with two pillows, which makes it really practical for the bed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
Luxury Comfort and Perfect Support – Best Pillows Ever!
Color: White, Size: King Size Set of 2
I recently purchased the Serta Hotel collection Pillows White Goose Feather Down Fiber Gusseted, and I couldn’t be happier with my choice! These pillows are the perfect balance of softness and support — plush enough to feel luxurious, yet firm enough to keep my neck properly aligned all night. The gusseted edges really make a difference, helping the pillow hold its shape and look full even after weeks of use.
The quality of the materials is excellent — the outer cover feels smooth and breathable, and there’s no feather poking out like with cheaper options. I also appreciate that they fluff back up easily after use, making the bed look hotel-perfect every morning.
If you’re looking for comfortable, high-quality pillows that provide great value for the price, I highly recommend these. They’ve truly improved my sleep!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 7, 2025
★★★★★ 4
Good quality pillows
Color: White, Size: Queen Size Set of 2
These are very soft and supportive as advertised. W find them a little too thick for my taste (why I only gave 4 stars), but personal preference is very subjective with pillows. They are well made and high quality, and am happy with my purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
★★★★★ 3
Overall, not that comfortable!
Color: White, Size: Queen Size Set of 2
Only okay. I find these pillows to be heavy, and not very conforming. Overall, not that great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 5
goose down pillows.
Color: White, Size: King Size Set of 2
Since receiving them, these king-size white goose down pillows have truly transformed my sleep. They are incredibly soft and fluffy to the touch, so plush it's hard to believe they hold their shape. Sleeping on them is like lying on a cloud.
The 100% cotton cover adds extra comfort: it feels cool to the touch, breathes well throughout the night, and helps me maintain a comfortable temperature while I sleep. Furthermore, the "reinforced fiber" structure is noticeable: after several weeks of use, the pillows retain their support; they don't clump or lose their shape, ensuring consistently good rest.
I find they have the ideal balance between firmness and softness: firm enough to support my neck and head, yet plush enough to adapt to my posture without creating pressure. This has improved my nights; I sleep more soundly and wake up with less stiffness in my neck.
In short: these pillows combine luxury, comfort, and durability. If you're looking to improve your sleep quality with soft, firm, and breathable pillows—especially in king size—these are perfect. Definitely one of the best investments you can make for better sleep.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 30, 2025
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