Electra Series Coaxial Speaker Kit Pair

To develop this new Illusion Audio speaker line we combined our decades of experience manufacturing high-end audiophile speakers with our passion for maximum performance mobile audio. The development process covered several years and literally months of listening to each individual model to fine tune musical quality and durability. We applied the highest available technologies in construction materials， Finite Element Analysis engineering and manufacturing to develop speakers that are compact and lightweight for easy installation without making any performance compromises. Our artistic design team has paid careful attention to aesthetics， as we feel they are beautiful speakers too!Aluminum coated injection polypropylene cone with rubber surround powder coated steel basketFree Air Resonance: 50.77 HzNominal Impedance: 4 OhmsSensitivity 2.83 v @ 1 meter: 88.2Outside Diameter: 243 x 173 mmMounting Hole Diameter: 215 x 147 mmMount Depth: 93 mmCoaxial Tweeter4 ohmIntegrated 6dB crossoverPolyester capacitorTweeter overload protectionMaximum Linear Excursion: ± 5.5 mmTitanium-coated injection polypropylene cone with rubber surroundPowder-coated steel basket26 mm voice coilDriver Specifications:Fs: 55.77 HzRe: 3.35 OhmsQms: 5.17Qes: 1.36Qts: 1.08Le: 0.28 mHVas: 22.7 literMms: 28.71 gramCms: 342 uM/NewtonBI: 4.74 Tesla-MSPLref: 88.2 (2.83 volts at 1 meter)Sd: 217 sq cmXmax: 5.5 mmXsus: 14 mmNominal power: 100 WattsMaximum Power: 200 WattsOutside Diameter: 243 x 173 mmMount Hole: 215 x 147 mmMount Depth: 93 mmWeight: 1750 grams