Ground Zero GZUC 650SQ-II

6.5″ sound quality 2-way component speaker system with aluminum cast basket including 1″ silk dome tweeters 2-way component speaker system WFWC® cone with wooven wooden fiber Rubber surround Euro-DIN basket Solid aluminum cast basket Universal 4 ohms version 25 mm / 1″ silk dome tweeter Ferrite motor Variable 12 dB/oct crossover Incl. protection grill Model 2-way component speakers Diameter 165 mm / 6.5″ Power handling (RMS/max.) 130 / 210 Watts Impedance 4 Ohms Efficiency 90 dB Frequency Response 40 Hz – 24 kHz Tweeter 25 mm / 1″ silk dome Midwoofer WFWC® cone Mounting depth 66 mm Crossover Variable 2-way Crossover frequency 2800 Hz