Measuring just 305mm x 305mm x 305mm (12.0in x 12.0in x 12.0in) and weighing just 8kg (17.6lb), the partner sub for the ID14 uses a highly efficient bass reflex design employing an 8-inch long-throw neodymium driver. The touring version includes a connection plate with two Speakon® connectors and a front Magnelis steel grille.