MB Quart MBQRG4-S14R 1000-watt, 14-speaker audio roof system with a dash-mounted GMR7V1 touchscreen CarPlay source unit. It features twelve powersports-specific 6.5-inch coaxial speakers, two 10-inch powersports-specific subwoofers, two 500-watt 5-channel Class-D amplifiers, and a 45-inch half-optic light bar.