Ground Zero GZHW 10SPL-D2 FLAT

Model High-Quality Flat SPL Subwoofer Diameter 25 cm / 10? Power Handling (RMS/SPL.) 600 / 1000 Watts Impedance 2x 2 Ohms Efficiency 85 dB Power Recommendation 400 ? 1000 Watts Voice Coil 63 mm / 2.5? Copper Max. Excursion (Xmax) 29 mm / 1.14? Mounting Ø 238 mm / 9.37? Mounting Depth 103 mm / 4.06? Resonance Frequency (Fs) 35.5 Hz Overall Qaulity (Qts) 0.434 Equiv. Air Volume (Vas) 19.7 L / 0.70 cu.ft..