Polk Audio MM1042 DVC MM1 Series 10" Marine & Car Subwoofer - 900W, 28-200Hz Frequency Response, Dual 4-Ohm Voice Coils, Titanium-Plated Woofer Cone, Compact Subwoofer for Deep, Powerful Bass

The Premium Upgrade
Tuned for the total sonic accuracy you get in a studio subwoofer, the MM1 Series reconfigures this kind of high-quality deep bass impact for an on-the-go listening experience that totally outperforms your OEM factory setup.
Advanced High-Performance Bass
Every element of the MM1 Series is meticulously engineered for thunderous bass, enhanced sonic detail and ultra-durable construction-Dynamic Balance technology, a high excursion bump stack motor structure, glass fiber formers, multilayered and oversized voice coils, high-temp Conex spiders, a vented pole and basket structure, and integrated fuses.
Ultra-Marine Certified
Featuring an IP56 rating that includes a non-corrosive fiberglass reinforced ABS basket, a water-proof surround, weep holes for proper drainage and a polypropylene cone, you get extra, long-lasting protection-that's all salt-fog and UV tested.
Dynamic Balance Technology
Patented process that guides material selection through rigorous testing that identifies and cancels out unwanted resonant frequencies.

Features:

Polk Audio MM1042DVC 10" 1200 Watt Dual 4-Ohm Car/Marine Audio Subwoofer Sub
Driver Compliment: 10" (254mm)
Cutout Dimensions: 9" (230mm)
Mounting Height: 0.55" (14.06mm)
Mounting Depth (Top): 4.6" (115mm)
Mounting Depth (Bottom): 5" (129mm)
Peak Power Handling: 1200 Watts
Continuous Power Handling: 400 Watts RMS
Nominal Impedance: 4 Ohms
Frequency Response: 28Hz-200kHz
Sensitivity: 86 dB
Magnet Weight: 54.4 oz
Magnet Material: Ceramic
Magnet Size: 140mm x 60mm x 25mm
VC Diameter: 2"
Enclosure Volumes:
Minimum Sealed: 1.0 cu. ft.
Maximum Sealed: 2.4 cu. ft.
Minimum Vented: 1.25 cu. ft.
Maximum Vented: 1.75 cu. ft.