ATEM 4 M/E Constellation 4K Plus live production switcher

Massive Input Capacity: Supports 80 independent 12G-SDI video inputs with built-in standards conversion.

Flexible Output Routing: Offers 48 customizable 12G-SDI outputs for screens, recorders, or streaming gear.

Customizable Multi-View: Includes 4 multi-view outputs with options to monitor up to 64 sources.

Advanced Keying Tools: Provides 16 ATEM Advanced Chroma Keyers for professional green screen effects.

Dynamic Video Effects: Features 4 DVEs and 2 SuperSource processors for picture-in-picture and transitions.

Professional Audio Mixing: Includes a 156-channel Fairlight audio mixer with EQ, compression, and dynamics.

Built-In Media Playback: Supports stills and animations through 4 media players and an internal media pool.

Integrated Talkback System: Works with headsets and intercoms for real-time crew communication.

Front Panel Controls: LCD screen and high-quality buttons allow for quick, hands-on operation.

Ultra HD Support: Compatible with HD and Ultra HD formats up to 2160p60 via multi-rate 12G-SDI.

Versatile Control Options: Works with ATEM control panels and software for Mac and Windows.

Compact and Rack Mountable: Fits in a 4RU space, ideal for portable setups and large-scale events.

General Specifications

Ultra HD live production switcher

4 M/E rows

80 x 12G-SDI standards-converted video inputs

48 x 12G-SDI aux outputs

52 total video outputs

4 DVEs

2 SuperSource processors

16 ATEM Advanced Chroma Keyers

Built-in 156 channel Fairlight audio mixer

4 media players

4 independent Ultra HD multiviews

Front panel control with LCD and 42 LED buttons

Built-in timecode generator

Video Standards

HD: 720p50/59.94/60, 1080i50/59.94/60, 1080p23.98/24/25/29.97/30/50/59.94/60

Ultra HD: 2160p23.98/24/25/29.97/30/50/59.94/60

SDI compliance: SMPTE 292M, 296M, 424M, 425M (Level A/B), 2081'1/10, 2082'1/10/12

Video Inputs

80 x 10-bit 12G-SDI inputs

Format and frame rate converters on all 80 inputs

Video input re-sync on all inputs

8-channel embedded audio on all SDI inputs

Video Outputs

52 x 10-bit 12G-SDI outputs

48 customizable aux outputs

8 down-converted SDI program outputs

4 dedicated SDI multi-view outputs, plus 48 routable multi-view outputs

Webcam output: 1 x USB-C (720p/1080p at program frame rate)

Audio Inputs/Outputs

2 x balanced 1/4" jack inputs

2 x 64-channel MADI inputs via BNC

1 x 5-pin XLR talkback input

2 x balanced 1/4" jack outputs

4 x 64-channel MADI outputs via BNC

1 x 5-pin XLR talkback output

Embedded audio: 16 channels per SDI output

Talkback

RJ45 and RJ12 ports for third-party systems like ClearCom/RTS

SDI talkback using channels 15 and 16

Front panel 5-pin XLR talkback port

Keyers and Effects

16 upstream keyers

4 downstream keyers

16 advanced chroma keyers

20 linear/luma keyers

4 stinger and 4 DVE transition keyers

28 total layering options

2 SuperSource processors (each with 4 DVEs + background layer)

21 pattern generators

2 color generators

Multi View

4 x 16 multiview layouts (up to 64 total views)

Customizable layouts with labels, tally borders, and VU meters

Selectable HD or Ultra HD output

Media Players

4 media players with fill and key channels

64 stills and 4 clips capacity

Clip lengths: 3200 (720 HD), 1600 (1080 HD), 400 (Ultra HD) frames

Formats: PNG, TGA, BMP, GIF, JPEG, TIFF (images), TGA sequence (video), WAV, MP3, AIFF (audio)

Control and Software

Front panel emergency switching

ATEM Software Control Panel (macOS 14+/Windows 10/11)

USB-C port for software updates

Ethernet control (10/100/1000 BaseT)

Compatible with all ATEM Advanced Panels

Audio Mixer

298 channel Fairlight audio mixer

De-embedding from SDI inputs

6-band parametric EQ, expander, gate, compressor, limiter

Master gain control and level/peak metering

Audio-follow-video, on/off switching

Additional MADI support for up to 128 mixer channels

Power and Physical

Dual internal 100"240V AC 50/60Hz power supplies

4 RU rackmount height

Operating temperature: 0 to 40C

Storage temperature: -20 to 60C

Relative humidity: 0% to 90% non-condensing