JL AUDIO 13W6V2 SUBWOOFER WORTH £500 .

  13" Dual 4 Ohm W6v2 Series Subwoofer Power Handling: Peak: 1500 watts RMS: 750 watts Recommended Power Range: 200-750 Impedance: Dual 4 ohm W-Cone: Unibody design, extremely stiff and light Woofer surround type Floating-Cone attach method: ensures proper surround geometry for better excursion and voice coil alignment Plateau-reinforced spider attachment: relieves stress from the spider at high excursions Pole and cone venting: removes hot air during high power operation to improve sound quality and reliability Forced-air-cooled aluminum alloy frame: enhances power handling and sound quality Highly optimized motor systems: reduce distortion, and improve transient behavior Large, progressive-roll spiders: optimized to controls long excursion without limiting it Customizable trim ring can be painted to match installation colors Dual 4 Ohm 2.75" diameter, 4-layer voice coils Kapton voice coil former ** UPPER CONE CRACKED ! HOWEVER STILL WORKS**