GROUND ZERO GZPM 80SQ-C

Model High end midrange speaker Diameter 80 mm / 3.15″ Power handling (RMS/max.) 70 / 110 Watts Impedance 4 Ohms Efficiency 89 dB Frequency Response 150 Hz – 4000 Hz Voice coil 20 mm / 0.79″ Cone Ceramic coated aluminum Magnet material Neodymium Mounting diameter 77 mm / 3.03″ Mounting depth 39 mm / 1.54″ Resonance frequency (Fs) 100 Hz