Ground Zero GZRK 165SQX

Model High power midwoofer Diameter 165 mm / 6.50″ Power handling (RMS/max.) 110 / 160 Watts Impedance 3 ohms Efficiency 89 dB Frequency Response 35 Hz – 4 kHz Voice coil 25 mm / 1″ Cone Black anodized aluminum Mounting Ø 142.5 mm / 5.61″ Mounting depth 68 mm / 2.68″ Resonance frequency (Fs) 60.1 Hz