Key Features

• 80 x 12GSDI inputs with standards conversion and frame sync on every input

• 48 x 12GSDI aux outputs plus USBC webcam output for streaming

• 4 mix/effects (M/E) rows with 4 DVEs each and 2 SuperSource processors (12 DVEs total)

• 16 ATEM Advanced Chroma Keyers and 4 Ultra HD multiview outputs (up to 16 windows each)

• Built-in Fairlight audio mixer with up to 156 channels, MADI I/O, EQ, dynamics, and talkback

• 4 integrated media players for stills and animated graphics

• Compact 4RU rack design with integrated front-panel control

• Optional hardware panels and full software control via Ethernet

Estimated reading time

Estimated reading time: ~4 minutes

Summary (3 Key Benefits)

1. Ultimate 4K performance 80 standards-converted SDI inputs and 48 outputs for maximum production flexibility.

2. Complete broadcast solution Advanced keying, multilayer DVEs, and real-time media playback in Ultra HD.

3. Professional audio & control Fairlight mixer, talkback, and multiple hardware/software control options.

TheATEM 4 M/E Constellation 4K Plus is a high-end Ultra HD live production switcher designed for demanding broadcast environments and large-scale live events.

With massive input/output capacity, advanced effects, and real-time Ultra HD processing, it is the ultimate all-in-one solution for professional productions.

Features & Design

Four independent M/E rows, two SuperSource processors, and built-in DVEs allow complex multilayer live compositions. All 80 SDI inputs have standards conversion and frame sync, while 48 programmable aux outputs give maximum routing flexibility.

The 4RU rack design integrates a front-panel with LCD, and control can be expanded via software or ATEM Advanced Panels.

Performance in Practice

Perfect for concerts, sports, and hybrid events, the 4K Plus handles large multi-camera setups with ease. The integrated Fairlight mixer provides professional audio quality, and media players allow real-time playback of stills and animated graphics.

Advantages & Disadvantages

Technical Specifications

• Video Inputs:
  80 x 12GSDI (720p, 1080i, 1080p, 2160p) with standards and frame-rate conversion

• Video Outputs:
  48 x 12GSDI aux outputs, 4 Ultra HD multiview outputs (up to 16 sources per multiview), USBC webcam output (720p1080p)

• DVEs & SuperSource:
  4 DVEs per M/E row (16 total) + 2 SuperSource processors (12 DVEs total available)

• Keyers:
  16 upstream ATEM Advanced Chroma Keyers + 4 downstream keyers

• Media Players:
  4 players for stills and animated graphics

• Audio:
  Fairlight audio mixer with up to 156 channels, MADI I/O, balanced analog inputs, and XLR talkback

• Multiview:
  4 configurable Ultra HD multiview outputs with up to 16 routable sources each

• Control:
  Integrated front panel, software via Ethernet, and optional hardware panels

• Physical:
  4RU rackmount design, fan-cooled for extended live operation