3,500 watts RMS Available in 10 through 18-inch versions Dual 1 ohm coils Mega V2 Cone Aluminum 3.3” x  80mm coil Dual 8 AWG terminals with dual-layer tinsel leads Custom cross-cut pole piece with Neodymium cap for increased output and thermal control 5-layer spider 1,336 oz (83.5 lbs) magnet with integrated thermal ventilation Optimized for 4th & 6th order enclosures Carbon cone upgrade available  Designed in-house by Sundown Founder Jacob Fuller, the 3,500-watt RMS SDDN is available in 10, 12, 15, and 18-inch models. Each unit boasts a massive 83-pound motor with integrated thermal ventilation, featuring a custom cross-cut pole piece with a Neodymium cap for increased output and thermal control. Sundown’s signature Mega V2 cone is paired with a five-layer spider, a 3.3” x 80mm aluminum voice coil (dual 1-ohm), and dual tinsel leads per eight-gauge terminal.  SPECIFICATIONS Re = 2.0333Fs = 30.0404Zmax = 33.3616Qes = 0.3345Qms = 5.1537Qts = 0.3141Le = 4.2364Diam = 381.0000Sd = 114009.1866Vas = 72.2840BL = 28.6825Mms = 717.0201Cms = 39.1469Sensitivity 1w/1m = 89.4252Xmax = 35mm