• Twice the I/O of Original Model
• Supports 12G-SDI at 10-Bit
• 80 x 12G-SDI In, 48 x 12G-SDI Out
• 2 x MADI Inputs, 4 x MADI Outputs
• Webcam Output via USB-C
• Frame Rate/Format Converter per Input
• 298-Channel FairLight Audio Mixer
• 16 x Upstream, 4 x Downstream Keyer
• Chroma/Luma Keyers
• Color/Pattern Generators

The ATEM 4 M/E Constellation 4K Plus from Blackmagic Design doubles the I/O of the original model with 80 12G-SDI inputs and 48 independent 12G-SDI ISO AUX outputs, and it connects to a wide range of cameras and sources, delivering video at resolutions of up to 10-bit UHD 4K60 via the 12G-SDI program outputs or 1080p and 720p webcam outputs via USB-C. The switcher features four multiview outputs with up to 16 routable windows that can display inputs, keyed video, graphics, and stills from the media pool, as well as the program output. Each input connects to a built-in FairLight audio mixer, supporting up to 298 channels of audio. There are also two MADI inputs and four MADI outputs for audio mixing and routing.