Sundown Audio SDDN 15" Limited Edition Competition Subwoofer

• 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 = 1.9288
Fs = 30.1414
Zmax = 35.3235
Qes = 0.2435
Qms = 4.2164
Qts = 0.2302
Le = 3.9833
Diam = 304.8000
Sd = 72965.8753
Vas = 38.5984
BL = 28.6263
Mms = 546.3203
Cms = 51.0346
Sensitivity 1w/1m = 88.1227 dB