A complete marine audio starter bundle including a single DIN AM/FM Bluetooth receiver, two 6.5-inch weather-resistant marine speakers, and an antenna — everything needed to upgrade your boat's audio system in one package. Marinized circuit board protection guards against condensation and corrosion. USB port provides 2.1A fast charging and MP3 playback. | Dual | | Marine Stereo with (2) 6.5" Speakers & Antenna | Single DIN Bluetooth AM/FM Boat Radio | USB 2.1A | Black | Best Buy