Add to Cart Blackmagic Design ATEM 4 M/E Constellation HD Blackmagic Design MSRP: $6,045.00 Now: $5,477.00 inc GST Was: Powerful live event HD switching, supporting up to 40 individual 3G-/HD-SDI inputs built into 2 RU chassis, is at hand with the Blackmagic Design ATEM 4