Sundown Audio M15 D2 M-Series Bundle: 15 in 4000-Watt Peak/2000-Watt RMS Car Subwoofer Dual 2-Ohm DVC, RockMat 50-20 50 Sq Ft 80 MIL Sound Vibration Deadener Car Kit, 2-Items

Package Includes: (1) Sundown Audio M15 D2 15" 2000w RMS Car Subwoofer DVC 2-Ohm Car Sub M Series, (1) RockMat 50-20 50 Sq Ft 2MM 80 MIL Sound Vibration Deadener Car Kit
Sundown M15 D2 DVC Performance: 15" M-Series sub handles 2000W RMS/4000W peak with dual 2-ohm DVC coils, a 3" 4-layer round wire aluminum voice coil, 83.3097 dB @ 1W/1m sensitivity, FS 28.567 Hz, and 35mm one-way linear excursion.
Fitment & Enclosure Recommendations: Measures 12.06" deep with a 13.93" cutout and 0.23 cu.ft. displacement, optimized for small ported enclosures; recommended 4.25 cu ft tuned to 32 Hz with 68 sq in port area, or a 4th order setup (2.0 cu ft sealed/6.0 cu ft ported, 120 sq in port, 8" length).
Mega-Series Motor & Cooling Design: Custom tooled patented Mega-series frame with Mega-Roll surround, quad-stacked 200mm (7.87") motor structure, 20mm top-plate, etched all-black back-plate/magnet boot, and high-stroke ventilation (pole vent, vented gap and cast-aluminum frame-base venting).
RockMat 50-20 Deadening Kit: Includes 50 sq ft of 2mm (80 mil) 100% virgin butyl sheets (20" x 18", 20 sheets) with a heat-resistant aluminum coating (20% thicker vs first-gen) and pressure-activated, high-tack adhesive rated 14°F-320°F; waterproof, flexible, ships flat, and includes an embossing install indicator plus a wood/steel roller.

Build a solid car-audio foundation with this featuring the Sundown Audio M15 D2 15" M-Series subwoofer plus the RockMat 50-20 sound/vibration deadening kit. The M15 D2 handles 2000W RMS/4000W peak with dual 2-ohm DVC coils, a 3" 4-layer round wire aluminum voice coil on an aluminum former, Mega-Roll surround, and a quad-stacked 200mm (7.87") motor with an etched all-black back-plate and magnet boot.Fitment details include 12.06" mounting depth, 13.93" cutout and 0.23 cu.ft. displacement; ported enclosure guidance calls for 4.25 cu ft with 68 sq in port area tuned to 32 Hz.Key specs include 83.3097 dB @ 1W/1m sensitivity, FS 28.567 Hz and 35mm one-way linear excursion.RockMat adds 50 sq ft of 2mm (80 mil) 100% virgin butyl with a heat-resistant aluminum coating and pressure-activated, high-tack adhesive rated 14°F-320°F; 20 flat-shipped 20" x 18" sheets include an embossing indicator that turns flat when installed correctly and are made from pure materials.Waterproof, heatproof and flexible for trunks, rear decks, doors, floors, hoods, roofs and more, with total deadener weight of 37.8 lbs (1.89 lbs per sheet) and an included wood/steel roller (6.69" long, 5" handle, 1.38" diameter, 1.87 lbs).