PRODUCT GRADING (Grade C) - Fair Condition > Visible scratches and signs of use throughout > Refurbished to the highest standards. Retail Box WHAT IS IN THE BOX Herdio 4 Inch 2-Way Marine Waterproof Speakers - Black PRODUCT DESCRIPTION The speakers with high quality Marine grade of IP66 also have Anti-Salt, fog, UV Protection, high temperature resistant functions .The overall spray hull dedicated coating , the whole unit sealed, and it can also play perfect sound quality in harsh environment .Design for High Power, Rust Proof Speaker Grills and Heavy Duty Engineered Plastic Cabinet ensure the speakers withstands severe outdoor environments.