Ground Zero GZNK 165SQ

Diameter of midwoofer 165 mm / 6.5? Mounting diameter of midwoofer 143,5 mm / 5.65? Mounting depth of midwoofer 68 mm / 2.68? Voice coil of midwoofer 36 mm / 1.42? Cone of midwoofer coated paper Dustcap coated paper Basket of midwoofer or midrange cast Magnet of midwoofer or midrange Ferrit Power handling W RMS 130 W Power handling W peak 200 W Impedance 4 Ohm SPL 90 dB.