The Monitor XT12 is a 12-inch powered subwoofer for home theatre and music. It uses a ported cabinet and a Class AB amplifier, with response quoted down to 24 Hz.
A ported subwoofer with a 12-inch bi-laminate paper cone. Controls cover volume, phase and a variable low-pass, and the rear panel has line-level and LFE inputs. The cabinet is black vinyl with a removable grille.