The BlackMagic Design ATEM 2 M/E Production Studio 4K lets you produce broadcast quality live multi camera production in SD, HD or amazing Ultra HD ! Featuring 20 inputs with built in re-synchronizers so you can connect the widest range of video sources such as cameras, disk recorders and computers for incredible live music, sport and more! ATEM 2 M/E Production Studio 4K has advanced broadcast features such as chroma key, customizable transitions, upstream and downstream keyers, DVE, Super Source, audio mixer, 2 x multi views, media pool and more! You also get 6G-SDI and HDMI 4K connections and 6 auxiliary outputs for the most advanced live production switching! Video The ATEM 2 M/E Production Studio 4K switcher supports 4K Ultra HD video (3840 x 2160), which is four times the resolution of Full HD. The video format is set by the user and must be the same across each input, as the switcher cannot scale different input formats to match the project format. The switcher features 20 single link 6G-SDI and one HDMI 4K input, which allows you to connect SD/HD/Ultra HD and computer-based signals to the switcher. However, the HDMI input is shared with one of the SDI inputs, so you can only have a maximum of 20 inputs. Audio The switcher includes a built-in audio mixer for mixing and balancing embedded audio from all 20 video inputs as well as the two audio inputs, each with two channel support. This lets you manually mix sources or you can set