Abstract: A recreational vehicle with convertible storage-speaker enclosures. Polymer body structures have speaker receiving receptacles with an enclosure portion having a cavity and a mounting interface that may receive a storage compartment cover, or a speaker unit. The storage compartment cover allowing access to the cavity and use as a storage compartment. The speaker units including a speaker baffle assembly with a periphery conformingly sized to seat and seal on a shoulder of the enclosure portion at the mounting interface such that an enclosed and sealed speaker is formed utilizing the enclosure portion. The volume of the enclosure portion and the speaker matched for optimal performance. A storage cover may be removed and the speaker unit inserted into the conformingly shaped storage enclosure with the speaker proximate the opening and pointed into the passenger area.