Ground Zero GZIK 165SPL

ModelSPL midwoofer Diameter165 mm / 6.50″ Power handling (RMS/max.)80 / 120 Watts Impedance3 ohms Efficiency87 dB Frequency Response60 Hz – 4 kHz Voice coil25 mm / 1″ copper ConeHQPP cone with 3D structure Mounting Ø142.5 mm / 5.61″ Mounting depth68 mm / 2.68″ Resonance frequency (Fs)61.5 Hz