Wire on TIL Former Design 4-Layer Single Voice Coil Motor Structure Pole Geometry Compound Radius Curve Configuration Airflow Management System Frame Material Injection Molded Polypropylene Design Custom High-Strength 5-Leg Terminals Layout One Side Design 2-Way, Insert & Ouick-Connect Terminals Tinsel Leads Design 16GA. Stranded, Insulated Gasket Design Rubber Mounting Gasket Enclosure Information Mounting Depth 144.72 mm / 5-11/16" Mounting Diameter - Front Mount