18-IN Professional Woofer w/3400 W continuous program power capacity

3400 W continuous program power capacity 116 mm 4.5 in split winding copper voice coil 35 - 1500 Hz response 97 dB sensitivity 60 mm peak-to-peak excursion before damage Neodymium magnet allows a very high force factor & linear excursion Double silicone spider w/optimized compliance Ventilated voice coil gap for reduced power compression Aluminium demodulating ring for very low distortion Surround shape: Triple Roll Cone shape: Radial Magnet material: Neodymium Inside Slug Spider: Double Silicone Pole design: T-Pole Woofer cone treatment: TWP Waterproof Both Sides Recommended enclosure: 150.0 dm3 5.3 ft3 Recommended tuning: 35 Hz Nominal diameter: 460 mm 18.0 in Nominal impedance: 8 OHMS Minimum impedance: 6.5 OHMS Nominal power handling : 1700 W Continuous power handling : 3400 W Sensitivity 1W/1m : 97.0 dB Frequency range: 35 - 1500 Hz Voice coil diameter: 116 mm 4.5 in Winding material: Copper Former material: Glass Fibre Winding depth: 34 mm 1.33 in Magnetic gap depth: 14 mm 0.55 in Flux density: 1.16 T