Ground Zero Hydrogen GZHW 38-D1

- Model High-Performance Subwoofer - Diameter 38 cm / 15? - Power handling (RMS/SPL) 1500 / 3500 Watts - Impedance 2x 1 Ohm - Efficiency 87 dB - Power recommendation 1500 ? 3500 Watt - Voice coil 75 mm / 3? copper - Cone Reinforced paper - Max. Excursion (Xmax) 45 mm / 1.77? - Mounting Ø 360 mm / 14.17? - Mounting depth 231 mm / 9.09? - Resonance frequency (Fs) 36.3 Hz - Overall quality (Qts) 0.52 - Equiv. air volume (Vas) 32.8 L / 1.16 cu.ft.