4 2-Way Speaker System with 1/2 High Compliance Polymer Tweeter Completely waterproof design for marine, outdoor, and poolside use Heavy-duty ABS construction for long-lasting durability 300W Max Power and 150W RMS for dynamic sound output Aluminum injection cones for the subwoofers for clear bass response Includes mounting brackets, mounting hardware, and speaker cable Frequency Response: 60Hz - 21kHz for full-range sound Sensitivity: 90 dB, Impedance: 8 Ohms for efficient performance Quick connect speaker terminals for hassle-free installation