Ground Zero GZNW 15NEO-EXTREME

Model High-Performance SPL Subwoofer Diameter 38 cm / 15″ Power handling (RMS/SPL) 3000 / 6000 Watts Impedance 2x 1 Ohms Efficiency 91 dB Power recommendation 2500 – 6000 Watts Voice coil 75 mm / 3″ CCA Cone Carbon-fiber Max. Excursion (Xmax) 65 mm / 2.56″ Mounting Ø 358 mm / 14.09″ Mounting depth 300 mm / 11.81″ Resonance frequency (Fs) 36.6 Hz Damping ratio (Qts) 0.16 Equiv. air volume (Vas) 35 L / 1.24 cu.ft.