Ground Zero GZUP 12 passive radiator 300 mm with aluminum cone, replaces the port in a vented enclosure. GZUP 12 Features Cast basket Aluminium cone Double spider Diameter 300 mm / 12" Mounting dia...

Ground Zero GZUP 10 passive radiator 250 mm with aluminum cone, replaces the port in a vented enclosure. GZUP 10 Features Cast basket Aluminium cone Double spider Diameter 250 mm / 10" Mounting dia...

Ground Zero GZP 15 passive radiator 380 mm with aluminum cone, can be paired with an active subwoofer. GZP 15 Features Cast basket Aluminium cone Diameter 380 mm / 15" Mounting diam...