Ground Zero GZHW 30XSPL-D1

High-Grade TechnologyProducts of the HYDROGEN series match with the demands of highly sophisticated customers.Amazing performance, great sound quality and high SPL whenever required.The subwoofers have been developed to handle a huge amount of input power reaching extremely high bass levels, to be used successfully even under competition conditions.A matching 2-way component speaker system and a number of MINI amplifiers with compact dimensions for limited installation space complete this famous GROUND ZERO line-up. Features - High power 12” SPL subwoofer - Klippel® optimized - Efficient triple magnet - Massive aluminum cast basket - Reinforced paper cone - 3” copper voice coil - High-Roll sandwich surround - Double spider Technical data Model: GZHW 30SPL Diameter: 300 mm / 12″ Mounting diameter: 315 mm / 12.4“ Mounting depth: 198 mm / 7.8“ Voice coil: 75 mm / 3” copper voice coil Cone: Reinforced paper Power Handling: 3000 W SPL Power Impedance: 2 x 1 Ohm SPL: 85 dB Xmax: 45 mm / 1.77″ Fs: 35.4 Hz Qts: 0.44 Vas: 15.8 L / 0.56 cu.ft. Box recommendations : See owners manual.