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日本代购-【商品名】Polk Audio DB572 DB+ シリーズ 5"x7" コアキシャルスピーカー with Marine Certification, Black Polk Audio DB572 DB+ Series 5"x7" Coaxial Speakers with Marine Certification, Black【カテゴリー】コアキシャルスピーカー(Car Coaxial Speakers) : Polk Audio【商品説明】・High performance audio upgrade that delivers signature quality sound that goes beyond OEM factory systems ・Marine certified with IP55 rating (water- and dirt-resistant) and tested for salt-fog, UV and humidity ・Polypropylene and UV tolerant cone with waterproof inner and outer surrounds ・Simple drop-in installation for any vehicle including cars, boats, ATVs?you name it ・Cut out Diameter 4.92" H x 7.15" W Bottom Mount - 2.76" Top Mount - 2.24"