Sundown Audio M-Series M15 15-inch 2000W RMS Power 1 Ohm DVC Car Subwoofer (NEW)

Sundown Audio M-Series Dual 1 Ohm Voice Coils Car Subwoofer
Model: M15D1
SOLD INDIVIDUALLY

2000W RMS
4000W MAX
Dual 1 Ohm Voice Coils
Laser-Etched All-Black Backplate
Quad Stack Magnet Structure
Treated Paper Cone
Mega Roll Surround

Special M-series magnet boot design
Features a hyper-extended pole and extreme clearances
Includes special winding density in the gap
Highly efficient high-stroke coil ventilation system
High-velocity pole vent, a heavily vented magnetic gap
Proprietary high-velocity cast-aluminum frame-base venting system
Magnet inner-diameter aluminum shorting ring
3″ High Temperature Aluminum Voice coil
4-Layer voice coil wound on a thick aluminum former
Xmax: 35mm
Made with proprietary Sundown PG linear suspension (fully computer optimized)
Mount Depth: 12.06″

SPECIFICATIONS
RE (Ohms): 2.1
FS (Hz): 28.187
VAS (L): 43.142
Qes: 0.72
Qms: 5.232
Qts: 0.633
Le (mH): 1.829
BL (NA): 17.006
Mms (Grams): 558.9059
Cms (uM/N): 57.043
Sens (dB @ 1w/1m): 83.024
Xmax: 35mm

NOT RECOMMENDED for Sealed Enclosure

Ported Enclosure: 4.25 cu ft
Recommended Tuning: 32Hz
Recommended Port Area: 68 sq in
4th Order Sealed Side: 2.0 cu ft
4th Order Ported Side: 6.0 cu ft
4th Order Port Area: 120 sq in
4th Order Port Length: 8″
Displacement: 0.23 cu ft
Outside Diameter: 15.51″
Cut-Out: 13.93″