Model Gorilla Bass E12 Woofer size, inch 12 Woofer voice coil, inch 3 Cone material Paper class fiber Edge Foam Magnet material Ferrite Nominal power, W 1200 Max power, W 2400 Impedance, Ohms 2+2 Sensitivity (S.P.L.), dB 89 Mounting depth, mm 148 Mounting diameter, mm 282 Weight, gr 9400 Free Air Resonance, Hz 32 Qes 0,37 Qms 3,16 Qts 0,33 Vas, L 34,4 Cms, mm/N 0,09 Mms, gr 262,1 Re, Ohm 4