MRWT40 4" 2-Way 400W Marine Waketower/UTV Speaker System. Features:. Weather Proof Enclosed System 4" 2-way Speaker Pair. 400 Watts MAX 200 Watts RMS Power Handling per Pair. 130 Hz to 20 kHz Frequency Response and 94dB Sensitivity. Polypropylene Woofer Cone and Rubber Surround. 1 Tweeter Per Speaker. Specifications:. Mounting Clip 1-1/4" to 2". Frequency Response:130Hz to 20Hz. Total Power: 400W. SPL (1Watt / 1 Meter): 94dB. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.