20 In, 12 Out. The Blackmagic Design ATEM 2 M/E Constellation HD is a 3G/HD-SDI switcher featuring 20 inputs, each of which boasting features including a frame synchronizer, frame rate converter, format converter, and access to the built-in audio mixer. With 12 SDI outputs, this switcher supports 4, 7, 10, 13, and 16 window multiview, combining any number of SD or HD video inputs with previews, audio meters, labels, and more. Each of the outputs can be independently configured for custom viewing options depending on your workflow. The Constellation HD even includes a USB webcam output for streaming, and this 2 M/E model includes two multiview SDI outputs.

Built-In DVE and Transitions. With the included DVE, you can customize graphics and picture-in-picture compositions in real time with borders, shadows, lighting, and more for a professional look even while livestreaming. The high-quality transitions allow you to seamlessly move from one input to another, and you can even preview the transition before switching it live. The 2 M/E Constellation HD includes SuperSource multilayer processors, adding four DVE layers and a background layer for evcen more VFX control.

Built-In Media Pool. Using the ATEM Software Control, you can store 40 stills and 400 frame animations inside the Constellation HD for instant playback via the media players without taking up one of the SDI inputs.

Pro Audio Production. Each of the 20 inputs connects directly to a built-in Fairlight audio mixer, which features a 6-band EQ, compressor, limiter, noise gate, and expander on each input. This mixer supports up to 48 channels of audio, and even includes two additional 1/4" analog audio inputs.