Celestion CVF18VJD 1600w 18″ Subwoofer w/5″ Voice Coil+Home Theater System
(1) Celestion CVF18VJD 1600w 18" Subwoofer w/Cast Aluminium Chassis+5" Voice Coil. Chassis type: Cast aluminium. Cone material: Carbon and kevlar loaded paper. Voice coil material: Round copper. It includes a powered subwoofer that has a loud and clean bass response.