The Fusion® SM Series 6.5" marine speakers are designed for installation on boats where mounting depth is limited, with a unique shallow mount design and a mounting depth of only 0.94" (24 mm). Featuring a tuned, sealed enclosure provides quality audio reproduction and the protects the speaker components from impact damage. Three accessory mounting spacers are available (each sold separately), allowing you to mount these speakers on board with versatility and ease. The SM Series speakers are rated IP65 for dust and water ingress, and comes with a 1-year limited consumer warranty.