Seymour Duncan Duality set BlackDuality active humbucker pickups dispel the notion that you cant have your cake and eat it too. The Duality architecture revolutionizes pickup design, combining passive voicing and active dynamics into one. Dualitys voicing is derived from traditional magnet coils and an Alnico magnet, just like our passive humbuckers, for sweet sustain and rich harmonics and is paired with an active preamp designed to emphasize and enhance those natural qualities