UV-treated foam surround for longevity when mounted in sun a soaked dash Extended voice coil technology for the best sonic quality High sensitivity design for more output when used with stock receivers Minimal tweeter protrusion Thin mounting profile for tight window mechanism clearances This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.