This Sound-Panel from Fusion solves the age old problem of limited space on boats with flush, shallow and surface mount options.Now you can entertain with great sound without having taking up valuable space in your boat. The Fusion Sound-Panel was designed for boating enthusiasts and built to meet the diverse needs of different vessels. The Sound-Panel solves the age-old problem of delivering professional sound quality from the limitations of shallow mounting depths often required in many installations.Treat your ears to the excellent sound of high-output, high-definition audio and the confidence that comes from installing these IP65 rated speakers on your boat. They've got two custom 4" speaker drivers and a bass radiator to handle every power ballad or electronic bass drop and two soft dome tweeters to empasize acoustic trebel. These speakers have the components and power to provide that clear, rich sound your music was made for. Key FeaturesExcellence in Sound: The Sound-Panel boasts two silk dome tweeters, two custom 4" speaker drivers and a bass radiator, all perfectly tuned to the Sound-Panel enclosure. This delivers 200 Watts of powerful and high-quality audio to your vessel.Built for your Boat Life: The Sound-Panel is rated IP65 for protection against dust, fog, salt water and everything it can expect to experience installed on a boat. This protection is built-in on all sides of the panel, making it perfect for installation on the outside or inside of a boat.Personalize Your Installation:The Sound-Panel is designed for easy installation directly onto any flat surface. You can choose between four installation types to best fit your boat. The flush mount option requires a minimal 41mm of depth and there are 19mm and 25mm installation options using the included spacers. When you have no space for any of these options you can simply surface mount the Sound-Panel and avoid cutting at all. Each of these options still provide you with a clean, finished looking installation and great sound.Installation Guide