Blackmagic Design MultiView 4 with 4 x 6G-SDI Inputs with Loop Thru ironpewter there is one knob and

there is one knob and one switch along the lower edge of the body

The unit's effect section features three rotary knobs

Comes complete with a built-in bag

Minimum Load Impedance:L 1

Blackmagic Design MultiView 4 with 4 x 6G-SDI Inputs with Loop Thru ironpewter there is one knob andThe Blackmagic Design MultiView 4 features four 10 bit 6G SDI inputs that let you monitor SD, HD, or 4K sources in any combination on Ultra HD monitors or TVs. This lets you take advantage of high resolution displays to view each source with increased clarity. The MultiView 4 allows for 2x2 display with each input fully re synchronized. One 6G SDI output and one HDMI multi view output are provided, as well as a loop output for each 6G SDI input for