Ground Zero GZNM 80SQ-K

Model High performance midrange speaker Diameter 80 mm / 3.15″ Power handling (RMS/max.) 60 / 100 Watts Impedance 4 Ohms Efficiency 88 dB Frequency Response 150 Hz – 5000 Hz Voice coil 25 mm / 1″ Cone Coated Paper Magnet material Neodymium Mounting depth 34 mm Resonance frequency (Fs) 115 Hz