BOSS Audio Systems MCKGB450B.6 6.5 Inch Speakers & Marine Boat Gauge Stereo - Bluetooth Head Unit, No CD DVD Player, AM/FM Radio Receiver, NOAA Weather Band, IPX6 Weatherproof, USB

Bluetooth - Play and control music through your smartphone or MP3 player as well as apps like Spotify / Pandora, wirelessly Weatherproof - The receiver is IPX6 rated to protect against splashing water. The Two 6.5” speakers have been outfitted with the latest weatherproofing techniques Inputs - USB, auxiliary. Outputs - Use the front/rear and subwoofer outputs to hook up your speakers (front left / front right and rear left / rear right) and subwoofer Receiver Specs - 4.45” x 4.41” x 4.41”, 1.96 lbs., 60 W x 4. Speaker Specs - Dual cone for extended frequency response, 4 Ohms, Frequency: 80 Hz to 20 kHz, 7.52” x 7.52” x 3.11”, Mounting Depth: 2.18”, Mounting hole: 5.75”, Weight: 2.76 Lbs. (Pair) BOSS Audio Systems provides a powerful 3-year platinum online dealer warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality