Illusion Audio E4 4" Electra Series 2-way Component 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 basket

Midbass:
Free Air Resonance: 31.36 Hz
Nominal Impedance: 4 Ohms
Sensitivity 2.83 v @ 1 meter: 87.2
Outside Diameter: 312 mm
Mounting Hole Diameter: 280 mm
Mount Depth: 154 mm
Recommended Sealed Enclosure Volume: 1.0 cubic ft
Maximum Linear Excursion: ± 14 mm

Tweeter
25 mm aluminum dome
4 ohm
Outside Diameter: 48.2 mm
Mounting Hole Diameter: 43.5 mm
Mount Depth: 11 mm

Crossover:
Bi Amp 12 dB crossover
Tweeter overload protection
Dimensions: 131 x 84 x 38 mm

Titanium-coated injection polypropylene cone with rubber surround
Powder-coated steel basket
26 mm voice coil

Driver Specifications:
Fs: 99.26 Hz
Re: 3.36 Ohms
Qms: 6.23
Qes: 1.14
Qts: 0.97
Le: 0.12 mH
Vas: 2.23 liter
Mms: 6.85 gram
Cms: 375 uM/Newton
BI: 3.55 Tesla-M
SPLref: 87.6 (2.83 volts at 1 meter)
Sd: 65 sq cm
Xmax: 2 mm
Xsus: 9 mm

Nominal power: 40 Watts
Maximum Power: 80 Watts
Outside Diameter: 102 mm basket + 130 mm ears
Mount Hole: 94.5 mm
Mount Depth: 52 mm
Weight: 567 grams