Ground Zero GZHW 30XSPL-D2 30cm 12 Inch Car SPL Dual 2 Ohm Subwoofer 1500w RMS. 30 cm / 12? High-Performance Subwoofer. 12? High-Performance Subwoofer with alumiunum cast basket and reinforced paper cone. Solid aluminum cast basket. 75 mm / 3? Copper voice coil. Diameter 30 cm / 12? Impedance 2x 2 Ohms. Power recommendation 1000 – 3000 Watts. Voice coil 75 mm / 3? Copper. Excursion (Xmax) 45 mm / 1.77? Mounting Ø 284 mm / 11.18? Mounting depth 198 mm / 7.80? Resonance frequency (Fs) 39.1 Hz. Overall quality (Qts) 0.56. Air volume (Vas) 17.6 L / 0.62 cu. We offer a collection service on some of our items. Please call our retail shop before collecting an item. WE DO NOT REPLY TO ANY DIRECT EMAILS. Motor Solutions are proud suppliers of a wide range of products from some of the top vehicle security, multimedia and accessories manufacturers including Clifford car alarms, Smartrack vehicle trackers, Cobra motorhome security devices, and Snooper Ventura sat nav systems for motorhomes. In addition to the great range of vehicle products we supply and fit, we are also able to offer a fully comprehensive engine remapping and tuning service for most makes and models of vehicle from cars to motorhomes. This service enables our customers to use their vehicles safely to their maximum potential. When your vehicle is running at its best you will be reducing your fuel bill as well as your carbon footprint. We are confident that you will find everything you need and more at Motor Solutions. Thanks For visiting Motor Solutions.