The STDPU-100 EnSoul contact pickup is specifically designed for the 14" Dominus Idiopan, complete with a quarter inch jack and highpass filter. The correlating pickup model to Idiopan sizes are as follows:

STDPU100: 14" Dominus
STDPU150: 12" Domina
STDPU250: 8" Lunabell and 6" Bella

Installation guide included.