Engineered for the ultimate sound experience. JBL BassPro Go is a powered subwoofer designed to easily mount & charge in any vehicle, augmenting the output of full-range speakers at the lowest frequencies, with quick disconnect features to become a portable Bluetooth speaker and keep the party on the go. With convenient and easy to use controls in or out of the vehicle, BassPro Go allows you to dial-in your music exactly the way you want to hear it. It also has a convenient safety cover to help protect the speaker when used out of the vehicle and to provide an IPx5 marine rating. Features and Benefits No Product Like It - JBL BassPro Go is the first speaker of its kind combing convenience, performance and portability in a single product. When mounted in your vehicle, it perform as well as any small box subwoofer on the market. Easily detched, it becomes a powerful Bluetooth speaker so you can always take your music with you.  IPX5 Rated as a Portable Bluetooh Speaker - IPX5 water resi