All three combine to create a high efficiency driver, for elevated sound, increased power handling, better linearity, lower distortion and greater durability.
MM1 Series have earned an Ultra-Marine Certified IP56 rating with their non-corrosive aluminum grilles and fiberglass reinforced ABS baskets, epoxy coated crossovers, water-proof inner and outer surrounds, weep holes for proper drainage and titanium-plated cones—that’s all been salt-fog, UV, and humidity tested. With MM1 Series, you get extra, long-lasting protection against virtually anything mother nature can dish out.
All Polk loudspeakers rely on our patented process to eliminate electro-acoustic and mechanical issues before they become a part of the finished speaker and are also rigorously tested through Polk’s Klippel distortion analyzers. MM1 Series, in addition to their IP56 waterproof rating and Ultra-Marine Certification feature Santoprene S Roll inner and outer surrounds to eliminate water, dirt and dust from entering the speaker housing. maximize throw, and withstand abuse from marine cleaning agents.
Every element of the MM1 Series is meticulously engineered for high-performance sound—Dynamic Balance technology, a pivoting 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.
DB+ Series benefits from decades of Polk’s premium loudspeaker engineering experience and were designed at our original Acoustic Research and Development facility in Owings Mills, Maryland. Our goal since 1972 has been to build great speakers that not only play loud, but also play crystal clear sound with effortless bass. The result of this 50-year engineering heritage is best-in-class loudspeakers backed by numerous awards, patents, and fans like you.
We’ve achieved this by constant innovation and by leaving nothing to chance. Accessibly priced, built to exceed our patented, quality-testing process, and designed to provide Polk’s legendary audio quality, the MM1 Series fulfills the Polk promise of great sound for all.
|Included Accessories||• (2) Grilles
• (2) Mounting Hardware
• (2) Wiring Harness
• (2) Plastic Adapters
• (2) Surface & Flush Mounting Kits
|Drivers Warranty||1 years|
|Original Purchaser Only||Yes|
|Driver Enclosure Type||Ultra-Marine Certified|
|Driver Complement||• (1) 6.5" (16.51 cm) d (Round) - Mid/Woofer
• (1) 1" (2.54 cm) d (Round) - Tweeter
|Diameter||5" (12.7 cm)|
|Full-Range Mounting Depth - Top Mount||2.62" (6.65 cm)|
|Full-Range Mounting Depth - Bottom Mount||2.86" (7.26 cm)|
|Height||0.95" (2.41 cm)|
|Total Frequency Response||35 Hz → 40 Hz|
|Nominal Impedance||4 ohms|
|Sensitivity (1 watt @ 1 meter)||93 dB|
|Type||2nd Order (Woofer and Tweeter) at 3.0 kHz|
|Peak Power Handling||375 watts|
|Power Handling (per channel)||125 watts → 375 watts|
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