Blackmagic Design ATEM Mini ExtremeATEM Mini Extreme is an advanced switcher for true professionals! You get all the ATEM Mini Pro features plus 8 HDMI inputs, 2 separate HDMI outputs, 2 USB ports and a headphone connection. There are also 4 chroma keyers, 6 picture in picture DVEs, 2 media players, and a multiview with up to 16 views! Connections Total Video Inputs 8 Total Outputs 4 Total Aux Outputs 2 Total Audio Inputs 2 x 3. 5mm stereo mini jack. Total Audio Outputs 1 x 3. 5mm