Ground Zero GZNW 30XMAX-II

- Type High-Performance Low-Bass-Subwoofer - Diameter 30 cm / 12? - Power handling (RMS) 3000 Watts - Impedance 2x 1 Ohm - Efficiency 83 dB - Power recommendation 2000 ? 4000 Watts - Voice coil 75 mm / 3? CCA - Cone Aluminum - Max. excursion (Xmax) 60 mm / 2.36? - Mounting Ø 282 mm / 11.10? - Mounting depth 250 mm / 9.84? - Resonance frequency (Fs) 35.6 Hz - Damping ratio (Qts) 0.61 - Equiv. air volume (Vas) 13.6 L / 0.48 cu.ft.