4x B&C DE550 1″ 8Ω, 140W continuous program power capacity, 108 dB sensitivity
(Inductance - 0.14 mH. 108 dB sensitivity. Power calculated on rated minimum impedance.). Flux Density - 2 T. Nominal Impedance - 8 Ω. Minimum Impedance - 8.3 Ω. 140 W continuous program power capacity.