4 Compact Marine Box SpeakersGreat for on your boat or outside your home! Fusions MarineOutdoor Box Speakers are carefully designed and manufactured specifically for marineoutdoor 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 competitive pricing make the MS-OS420 speakers a great value for