Ground Zero GZRW 25-D2

Model: High-Quality street subwoofer Diameter: 25 cm / 10? Power Handling (RMS): 600 Watts Impedance: 2x 2 Ohms Efficiency: 82 dB Power recommendation: 300 ? 900 Watts Voice coil: 63 mm / 2.5? Copper Cone: Reinforced paper Max. Excursion (Xmax): 50 mm / 1.97? Mounting Ø: 228 mm / 8.98? Mounting depth: 151 mm / 5.94? Resonance frequency (Fs): 26.3 Hz Overall quality (Qts): 0.54 Equiv. air volume (Vas): 28.3 L / 1 cu.ft.