Polk Audio MM842DVC MM1 Series 8" 900W 4-Ohm Dual Voice Coil Subwoofer with Ultra-Marine Certification

Polk Audio MM1 Series 8" 900W 4-Ohm Dual Voice Coil Subwoofer with Ultra-Marine Certification: Polk MM1 Series - Crafted for Full-On Powerful Sound, No Matter What Vehicle Their Mounted In

Polk Audio MM842DVC Features:

• Premium upgrade tuned for the total sonic accuracy found in a studio subwoofer
• Marine certified with IP65 rating (water- and dirt-resistant) and tested for salt-fog, UV and humidity
• Meticulously conceived, designed and engineered for advanced high performance bass
• Dynamic Balance technology provides rich, clean, full-range sound by eliminating distortion and unwanted resonant frequencies
• High excursion bump stack motor structure provides more audible throw
• Titanium-plated composite cone
  
• Butyl rubber surround
  
• Fiberglass-reinforced ABS basket
• Peak Power - 900W (300W RMS)
• Dual Voice Coil 4-ohm

Advanced High-Performance Sound
Every element of the MM1 Series is meticulously engineered for high-performance sound—Dynamic Balance technology, a 1” Terylene tweeter, UV tolerant titanium plated composite cones, lightweight neodymium motor structure—plus, glass fiber formers, oversized voice coils and high-temp Conex spiders for increased power handling.

Dynamic Balance Technology
Enjoy a rich, clean, full-range sound with our patented Dynamic Balance technology engineered into every MM1 speaker. Rigorously tested and developed by our talented Polk Audio engineers, whose passion rests in the principles of great sound, Dynamic Balance technology features non-resonant materials so you get extremely clear highs, mids and lows no matter what you’re listening to.

Neodymium Motor Structure
Compact lightweight neodymium motor structure provides more output with less power and overall higher efficiency—plus easier drop-in installation.

Glass Fiber Formers, Oversized Voice Coils and High Temperature Conex Spiders
All three combine to create a high efficiency driver, for elevated sound, increased power handling, better linearity, lower distortion and greater durability.

Non-corrosive Fiberglass Reinforced Baskets
Offers heavy-duty protection for back half of the speaker, which helps prevent corrosion and general wear and tear.

Integrated Epoxy Coated Crossovers
With its second order high/low pass system, you’re ensured the right frequencies reach the right speakers in your setup for optimal system blending regardless of the vehicle you’re in or the elements you encounter.