Ground Zero GZRM 80SQX

Ground Zero Radioactive SQ lineup is designed and produced for one goal only. Best possible sound quality in the price class. Designed using Klippel optimization with all drivers. These speakers work exceptionally well in typical OEM locations. Midrange has composite cast frame and neodymium magnet and shallow mounting depth to ease installation. Model Sound quality midrange speaker Diameter 80 mm / 3.15″ Power handling (RMS/max.) 50 / 80 Watts Impedance 3 Ohms Efficiency 89 dB Frequency Response 140 Hz – 4 kHz Voice coil 25 mm / 1″ Cone anodized aluminum Magnetmaterial Neodymium Mounting Ø 77 mm / 3.03″ Mounting depth 37 mm / 1.46″ Resonance frequency (Fs) 138 Hz