This bundle includes 4x Kicker 51MWLE104 - MWE 10-Inch Loaded Premium Marine Sub Encl w/ Passive Radiator 4ohm, and a Kicker 51KXMA15001 1500-Watt Mono Class-D Subwoofer Amplifier. Experience powerful marine audio with the 4x Kicker 51MWLE104 - MWE 10-Inch Loaded Premium Marine Sub Encl w/ Passive Radiator 4ohm speakers. Featuring water-proof connections, weather-resistant materials, and flexible installation options, these subwoofers deliver deep, clear bass for your boat. The sturdy all-weather enclosure, lockable mounting feet, and UV-resistant grilles ensure durability in marine environments. Change the charcoal grilles for MWGW white grilles (sold separately) to customize your look. Specifications include a 10-inch woofer, 4-ohm impedance, 800 watts peak power, and dimensions of 12-5/8" H x 25-9/16" W x 8-11/16" D. Pair the speakers with the Kicker 51KXMA15001 1500-Watt Mono Class-D Subwoofer Amplifier for unparalleled performance. Delivering 1500 watts of subwoofer power at 1 Ohm stable, this amp is designed for big bass on the water. Tune your system with the 24dB crossover and subsonic filter, ensuring optimal sound quality. Built to withstand marine conditions, this amp features ABYC/NMMA-compliant power terminals, moisture-resistant control cover, UV-treated chassis, and conformal-coated circuit boards. The adjustable 24dB crossover and KickEQ+ bass boost provide precise control over your audio. Use the wired bass knob for easy adjustments and monitor the input signal with the illuminated gain control. Elevate your marine audio experience with this premium bundle.