Ground Zero GZIW 165

- Diameter - 16.5 cm / 6.50? - Power Handling (RMS) - 100 Watts - Impedance - 4 Ohms - Efficiency - 85.5 dB - Power Recommendation - 60 ? 150 Watts - Voice Coil - 38 mm / 1.5? copper - Membran - HQPP cone with 3D-structure - Max. Excursion (Xmax) - 10 mm / 0.39? - Mounting Ø - 147 mm / 5.79? - Resonance Frequency (Fs) - 41 Hz - Overall Qaulity (Qts) - 0.41 - Equiv. Air Volume (Vas) - 9.1 L / 0.32 cu.ft..