Ground Zero GZHK 165

- Model - High power midwoofer - Diameter - 165 mm / 6.50? - Power Handling (RMS/max.) - 120 / 180 Watts - Impedance - 4 Ohms - Efficiency - 87 dB - Frequency Response - 40 Hz ? 5000 Hz - Voice Coil - 38 mm / 1.5? CCA - Membran Layout - Scooped paper - Mounting Ø - 144 mm / 5.67? - Mounting Depth - 69 mm / 0.27? - Resonance Frequency (Fs) - 49.4 Hz.