vimsynth/modules/mband
modules/processors/MBAND
Three-band dynamics: the glue a single-band compressor cannot do. A kick hitting a full-range compressor pulls the whole mix down with it, top end and all — split first and the bottom can be held still while the top is left alone. One threshold per band; ratio, attack and release shared. Does NOTHING at its defaults until a threshold comes down.

MBAND to get this card.Down the left edge of the card, top to bottom.
l.Down the right edge, in the same order.
Left to right across the face — the dials in the picture.
The full reference — every parameter curve, the patching notes and the worked examples — lives in the manual: docs.vimsynth.com/modules/mband. In the app itself, :help MBAND opens the same page without leaving the rack.