Ground Zero GZNW 38XMAX-II

Type Long excursion Subwoofer Diameter 38 cm / 15″ Power handling (RMS) 4000 Watts Impedance 2x 1 Ohm Efficiency 84 dB Power recommendation 2000 – 6000 Watts Voice coil 75 mm / 3″ aluminum Cone Aluminum Max. excursion (Xmax) 62 mm / 2.36″ Mounting Ø 360 mm / 14.17″ Mounting depth 300 mm / 11.81″ Resonance frequency (Fs) 31 Hz Damping ratio (Qts) 0.51 Equiv. air volume (Vas) 26.2 L / 0.93 cu.ft.