{"product_id":"polk-audio-db572-high-performance-5x7-coaxial-speaker-for-car-marine","title":"Polk Audio DB572 5 x 7 Coaxial Speaker for Car \u0026 Marine - Durable","description":"\u003cp\u003eIn this review the Polk Audio DB572 is assessed as a versatile 5 x 7 coaxial speaker aimed at drivers and boat owners who want louder, clearer sound without replacing an entire system. The bottom line: this speaker is best for those who need a weather-resistant, easy-to-install upgrade that delivers strong bass and clean highs thanks to a built-in crossover and Polk's Dynamic Balance technology. It performs well in both car and freshwater marine environments and offers a solid balance of power handling and durability for custom installs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine certification and coating:\u003c\/strong\u003e IP56-rated construction and coated steel baskets resist salt-fog, UV and humidity for dependable use in boats and exposed vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower handling:\u003c\/strong\u003e 225W peak and 75W RMS capability lets these speakers play loud without obvious strain when paired with proper head units or amps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver design:\u003c\/strong\u003e The 5 x 7 polypropylene woofer cone and strong rubber surround deliver punchy low-end and long-term durability in damp environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTweeter and crossover:\u003c\/strong\u003e The 3\/4 in silk dome tweeter and built-in crossover direct highs and lows to the right drivers for clearer vocals and detailed high frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResonance control:\u003c\/strong\u003e Polk's Dynamic Balance laser-imaged design reduces distortion for wide, cleaner sound dispersion across listening positions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation hardware included:\u003c\/strong\u003e Mounting hardware is supplied and the grilles (sold separately) let installers add a finished look to custom speaker locations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe DB572 is ideal for car audio enthusiasts and boat owners who want a dependable, splash-proof coaxial that improves factory sound without a complex install. It suits riders of motorcycles or ATVs and people with freshwater craft who need speakers able to withstand sun and moisture while delivering louder bass and crisp highs.\u003c\/p\u003e\n\u003cp\u003eThose wanting extreme marine immersion resistance for offshore saltwater use or audiophiles seeking high-end component speaker sets with separate crossovers and tweeter placements should look elsewhere; the DB572 is a durable, practical coaxial upgrade rather than a boutique studio monitor.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClear output at high volumes thanks to built-in crossover and Dynamic Balance, as noted by multiple owners.\u003c\/li\u003e\n\u003cli\u003eWeather-tested IP56 rating and coated baskets make it suitable for freshwater marine and exposed outdoor use.\u003c\/li\u003e\n\u003cli\u003eSimple installation with included mounting hardware and flexible fit for some 6 x 8 applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers report mixed fit results, so measuring mounting depth and hole pattern is advisable before purchase.\u003c\/li\u003e\n\u003cli\u003eGrilles are sold separately, so a finished look may require an extra purchase for some installs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker type\u003c\/td\u003e\n\u003ctd\u003e2-way coaxial car \u0026amp; marine speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e5 in x 7 in (fits some 6 x 8 applications)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower handling\u003c\/td\u003e\n\u003ctd\u003e75W RMS, 225W peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e35 Hz - 22 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer \u0026amp; tweeter\u003c\/td\u003e\n\u003ctd\u003ePolypropylene woofer cone; 3\/4 in silk dome tweeter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental rating\u003c\/td\u003e\n\u003ctd\u003eIP56 marine certification; salt-fog, UV and humidity tested\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Polk Audio DB572 is a practical, value-oriented choice for anyone seeking a weather-resistant upgrade that improves clarity and bass in both car and freshwater marine settings. It combines Polk's Dynamic Balance resonance control, a silk dome tweeter, and robust construction to deliver reliable, loud performance, making it a good pick for functional installs where durability and honest sound matter.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these speakers truly marine rated?\u003c\/strong\u003e\u003cbr\u003eYes, the DB572 carries an IP56 marine certification and Polk tests for salt-fog, UV and humidity for freshwater marine and exposed use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo grilles come with the speakers?\u003c\/strong\u003e\u003cbr\u003eMounting hardware is included but grilles are sold separately, so plan for a separate purchase if you want a finished look.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these fit a 6 x 8 opening?\u003c\/strong\u003e\u003cbr\u003eThe 5 x 7 design can be used in some 6 x 8 applications, but verify mounting pattern and depth before installation.\u003c\/p\u003e","brand":"Polk Audio","offers":[{"title":"Default Title","offer_id":46756748919003,"sku":"B01G4EDRUK","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51ItsQ1aWRL._AC_SL1024.jpg?v=1747804290","url":"https:\/\/gearmusthave.com\/products\/polk-audio-db572-high-performance-5x7-coaxial-speaker-for-car-marine","provider":"GearMustHave","version":"1.0","type":"link"}