CXS 5.2 coaxiaal SPECIFICATIONS Nominal Impedance 4.0 Ohm DC Resistance 3.1 Ohm Woofer Diameter 6.5" Voice Coil Diameter 1.5" Magnet Weight 16 oz RMS/Music/Peak 80/120/240 Frequency Range 50 Hz - 22 kHz Sensitivity 91 dB Shipping Weight 10 lbs