Impedance zn 2x 2OHM Resonance Frequnecy fs 25 Power Handling watt RMS 1000 Mechanical Q Qms nnb. Electrical Q Qes nnb Total Q Qts 0,4 Xmax xmaxx in MM 60 Moving Mass mg in gram 140 Sensitivity Spl in DB 89 Mechanical Resistance Rms in Kg/g Compltance Cms [in mm/N] nnb Force Factor BL in Tm nnb Equlvalent Volume Vas in L nnb