Ground Zero GZHW 25XSPL-D1

- Model - High-Quality SPL subwoofer - Diameter - 25 cm / 10? - Power Handling (RMS/SPL.) - 1200 / 2500 Watts - Impedance - 2x 1 Ohms - Efficiency - 83 dB - Power Recommendation - 800 ? 2500 Watts - Voice Coil - 63 mm / 2.5? Copper - Membran Layout - Reinforced paper - Max. Excursion (Xmax) - 45 mm / 1.77? - Mounting Ø - 238 mm / 9.37? - Resonance Frequency (Fs) - 41.8 Hz - Overall Qaulity (Qts) - 0.487 - Equiv. Air Volume (Vas) - 8.53 L / 0.30 cu.ft..