eBay

Features:

Premium upgrade tuned for the total sonic accuracy found in a studio subwoofer
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

MM1 Series

MM1 is the next generation of Polk's highly-acclaimed Mobile Monitor series—conceived designed and engineered to deliver premium audio with thunderous bass enhanced sonic detail and ultra-durable construction. It’s the one crafted for full-on powerful sound no matter what vehicle you’re in. Hear rich high-fidelity wherever you go with Polk's Dynamic Balance technology and enjoy more audible throw increased power handling and minimized air chuffing—all housed in an IP56 rated enclosure that’s Ultra-Marine Certified.

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.

Dynamic Balance Technology

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

High Excursion Bump Stack Motor

Enjoy more audible throw for a deep bass experience that’s bound to excite your senses.

Multilayered Voice Coil

Provides increased motor strength for tighter more accurate sound.

Glass Fiber Formers Oversized Voice Coils and High Temperature Conex Spiders

All three combine to create a high efficiency driver for clean clear bass increased power handling better linearity lower distortion and greater durability.

Vented Pole and Basket Structure

Offers increased cooling power handling—and minimized air chuffing.

Integrated Fuses

Protects the subwoofer against overpowered amplifiers.

Ultra-Marine Certified

Featuring an IP56 rating that’s dirt- and water-resistant it includes a non-corrosive fiberglass reinforced ABS basket a waterproof surround weep holes for proper drainage and a composite cone for extra long-lasting protection against the elements—all of it salt-fog and UV tested.

Waterproof Santoprene Surround

This attractive high performance material maximizes throw with its ultra-flexible ultra-durable properties—and prevents the elements from entering the speaker unit. Plus it combats the harsh effects of boat cleaning agents.

Non-Corrosive Fiberglass Reinforced Baskets

Offers heavy-duty protection for back half of the speaker which helps prevent corrosion and general wear and tear.

Attention International customers: You are responsible for any and all customs, import duties, brokerage fees, and taxes. These charges are not included in the item price or stated shipping charges.

Additional shipping fees are required for locations including, but not limited to: PO Boxes, APO/FPO locations, Alaska, Hawaii, Puerto Rico, Guam, Saipan, Virgin Islands and other countries outside the USA.