This bundle includes 2x Kicker 51MWF104 Marine Subwoofer and 1x Kicker 48PXA6001 Amplifier. The Kicker 51MWF104 Marine Subwoofer is designed for free-air applications with a 10-inch size, 4-ohm impedance, and a peak power handling of 800 watts. It features water-resistant connections, a weather-resistant cone with TPE surround, and ribbed silicone gasket for a complete weather-proof seal. The subwoofer also includes RGBW LED lighting, charcoal grille, and meets or exceeds ASTM standards for UV and salt exposure. With a mounting depth of 5-3/16 inches and outer diameter of 11 inches, this premium marine subwoofer delivers big bass without an enclosure. The Kicker 48PXA6001 Amplifier is a weatherproof powersport mono subwoofer amplifier with 600 watts of power suitable for UTVs, off-road vehicles, and more. It is IP67 certified, repelling dust and water with ease. The amplifier is one-ohm stable, providing incredible power and toughness. It features a mono channel configuration with 600 watts and 1-ohm impedance. Get exceptional performance and reliability with this bundle, featuring high-quality marine subwoofers and a powerful amplifier perfect for outdoor and marine environments. Upgrade your sound system with Kicker's premium products designed for durability and outstanding audio output. Elevate your marine audio experience with this bundle today.