Description
Polk MM522 5.25” Coaxial Speakers with Ultra Marine Certification
Perfect for anything: Cars, Trucks, Boats ATVs & More. MM1 is the next generation of the highly-acclaimed Mobile Monitor series—conceived, designed and engineered to deliver premium audio with thunderous bass, enhanced sonic detail and ultra-durable construction.
Specifications:
• In the box - (2) Grille, (2) Mounting Hardware, (2) Wiring Harness
• Cutout Diameter - 4.6" (11.68 cm)
• Full-Range Mounting Depth - Top Mount 2.36" (5.99 cm)
• Total Frequency Response - 50 Hz → 40 kHz
• Nominal Impedance - 4 ohms
• Sensitivity (1 watt @ 1 meter) - 92 dB
• Continuous Power Handling (RMS) - 100W
• Peak Power Handling - 300W
ULTRA-MARINE CERTIFIED - Featuring an IP56 rating that includes a non-corrosive fiberglass reinforced ABS basket, epoxy coated crossovers, water-proof inner and outer surrounds, weep holes for proper drainage and titanium-plated cones, you get extra, long-lasting protection—that’s all salt-fog and UV tested.
1” TERYLENE TWEETER - Our newly designed Terylene dome tweeter features curvilinear formers that extend response and lower resonance for better dispersion in the critical midrange, delivering clear and detailed high frequency response for realistic reproduction of vocals and instruments.
WATERPROOF SANTOPRENE SURROUNDS - 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.
UV TOLERANT TITANIUM PLATED COMPOSITE CONES - Provides tighter, cleaner, more accurate sonic dispersion—and won’t discolor or degrade with time and heavy use
Perfect for anything: Cars, Trucks, Boats ATVs & More. MM1 is the next generation of the highly-acclaimed Mobile Monitor series—conceived, designed and engineered to deliver premium audio with thunderous bass, enhanced sonic detail and ultra-durable construction.
Specifications:
• In the box - (2) Grille, (2) Mounting Hardware, (2) Wiring Harness
• Cutout Diameter - 4.6" (11.68 cm)
• Full-Range Mounting Depth - Top Mount 2.36" (5.99 cm)
• Total Frequency Response - 50 Hz → 40 kHz
• Nominal Impedance - 4 ohms
• Sensitivity (1 watt @ 1 meter) - 92 dB
• Continuous Power Handling (RMS) - 100W
• Peak Power Handling - 300W
ULTRA-MARINE CERTIFIED - Featuring an IP56 rating that includes a non-corrosive fiberglass reinforced ABS basket, epoxy coated crossovers, water-proof inner and outer surrounds, weep holes for proper drainage and titanium-plated cones, you get extra, long-lasting protection—that’s all salt-fog and UV tested.
1” TERYLENE TWEETER - Our newly designed Terylene dome tweeter features curvilinear formers that extend response and lower resonance for better dispersion in the critical midrange, delivering clear and detailed high frequency response for realistic reproduction of vocals and instruments.
WATERPROOF SANTOPRENE SURROUNDS - 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.
UV TOLERANT TITANIUM PLATED COMPOSITE CONES - Provides tighter, cleaner, more accurate sonic dispersion—and won’t discolor or degrade with time and heavy use
Used Frequently Asked Questions
- What does used mean? Used products may be unused customer returns that are essentially "new" items, or they may be previously installed products that were returned under warranty or during our return policy period.
- What is the warranty? All of our used items come with a 90-day warranty.
- What's it look like? All of our used items are inspected and graded by our returns team at our facilities. They will test them and grade them to one of four standard gradings: Used Open Box, Used Very Good, Used Good, and Used Acceptable. Please see the following descriptions of each grade - also note that if an item falls under ANY of the criteria for a certain grade, even though the rest of the product is better, we will give it the lowest grade.
- Used Open Box An item in perfect working condition. Original protective wrapping may be missing, but the original packaging is intact and in good condition with minor damage possible. Instructions are included.
- Used Very Good A well-cared-for item with limited use, remains in good working condition. The item may show some limited signs of wear,small scratches,cosmetic blemishes. Item may arrive with damaged packaging or be repackaged and could be missing some accessories.
- Used Good The item shows wear from use, remains in good condition and functions properly. May have damaged packaging or be repackaged. It may be marked, have identifying markings on it, have minor cosmetic damage. It may be missing some parts or accessories.
- Used Acceptable The item is fairly worn but continues to function properly. While repackaged; signs of wear can include aesthetic issues; scratches, dents. The item may have markings on it or show signs of previous use. Item may be missing some parts or accessories.
- Have more questions? Call us, send us a chat, or an email. We'll be able to answer any additional questions you may have.