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Polk Audio DB402 4" Coaxial Speaker Pair Fit For Any RideThe features of the DB+ series include Polk’s patented Dynamic Balance technology, which ensures the cleanest audio playback due to the use of non-resonant materials throughout. Utilizing UV resistant polypropylene woofer cones and waterproof surrounds, the IP56 marine certification means these speakers can be installed in cars, boats, motorcycles, ATV’s and more, all while holding up to the most extreme elements.
Key Specs: Nominal Diameter: 4" Power Handling (RMS): 45 WattsPower Handling (MAX): 135 WattsImpedance: 4Ω Frequency Response: 60-22,000 HzSensitivity: 90dB 2.83V/1m Effortless Bass On The GoFeatures:Marine CertifiedBuilt to last for cars, boats and ATVs with an IP56 rating and tested for Salt-fog, UV & Humidity.
Dynamic Balance TechnologyPatented process that guides material selection through rigorous testing that identifies and cancels out unwanted resonant frequencies.
Marine CertifiedThe DB+ Series is IP56 rated so they are dirt- and water-resistant. They also have been tested for salt-fog, UV and humidity. A big part of that marine certification also means that each speaker has a non-corrosive plastic grille, a polypropylene UV tolerant cone, waterproof inner and outer surrounds, and stainless steel mounting hardware, ensuring that they are fully protected against the elements.
Designed To Go The Extra MileAll 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. DB+ Series, in addition to their IP56 waterproof rating and Marine Certification feature waterproof surrounds that completely block dirt, liquid, and grime from entering the speaker housing—all designed to maximize longevity of the speaker.
This product is sold brand new. A manufacturer warranty applies only when the manufacturer provides one for this item.
Return requests must be submitted within 14 days of delivery and approved by our RMA department before the item is shipped back. Non-defective returns may be subject to a minimum 25% restocking fee and return shipping charges. Unauthorized returns are not eligible for credit or refund. Read the full return policy.
Shop All Polk AudioBased in the United States, Polk Audio products are designed and engineered in-house and have received numerous awards and patents over the years. Polk Audio is, and always has been, focused on giving you the absolute best sound for your money – and believes in Great Sound for All.
Why PolkFive Decades of American Loudspeaker ManufacturingDB+ Series Subwoofers 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. Their 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 subwoofers backed by numerous awards, patents, and fans like you.
Polk 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 effortless bass, DB+ Series Subwoofers fulfill the Polk promise of great sound for all.
This product is sold brand new. A manufacturer warranty applies only when the manufacturer provides one for this item.
Return requests must be submitted within 14 days of delivery and approved by our RMA department before the item is shipped back. Non-defective returns may be subject to a minimum 25% restocking fee and return shipping charges. Unauthorized returns are not eligible for credit or refund. Read the full return policy.