4" Compact Marine Box SpeakersGreat for on your boat or outside your home!FUSION's Marine/Outdoor Box Speakers are carefully designed and manufactured specifically for marine/outdoor use. Featuring an adjustable mounting bracket with all mounting hardware supplied, these speakers are perfect for installation on a alloy vessel where flush mount speakers are not always practical.The solid construction and powerful sound, combined with competitve pricing make the MS-OS420 speakers a great value for money option.Specifications:Box Type: SealedCone Material:Polypropylene/NBR SurroundEfficiency (1W/1M): 86dB W/MFrequency Response: 80Hz - 20HzImpedance: 4 OhmPeak Power: 100WRMS Power: 25WWoofer Size: 4"Tweeter Type: PEI ConeWARNING: 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.