Abstract: A cage tower speaker system for outdoor vehicles and watercraft is disclosed. The cage tower speaker system includes a driver cage tower speaker and a dummy cage tower speaker. The driver cage tower speaker includes an outer housing, an amplifier, a speaker assembly, a removable rechargeable battery, and a mounting bracket. The outer housing includes a frontal opening, a rear opening, a rear wall, an exterior surface, and a plurality of membranes. The outer housing, the frontal opening, and the rear wall form an interior sound space surrounding the speaker assembly. The exterior surface extends from the frontal opening to the rear opening and surrounds the interior sound space. Each of the plurality of membranes are coupled to the exterior surface and the interior sound space.

Abstract: A self-powered mountable speaker bar may include a rechargeable battery and a set of mounting features for use during recreational activities such as powersports, boating, and off-roading. The self-powered mountable speaker bar may include a housing and a set of mounting features that allow the housing to be securely coupled to a vehicle component or other appropriate support. The rechargeable battery may be removeable and may include a set of coupling features such as spring-loaded tabs associated with complementary features of the housing, such as slots. The self-powered mountable speaker bar may include a wireless communication module that interacts with user devices such as smartphones. The housing may be waterproof, dustproof, and/or shock-proof.

Abstract: A portable speaker system includes: a waterproof enclosure; a wireless communication element enclosed within the waterproof enclosure, the wireless communication element able to receive audio data from a mobile device; a pair of speakers enclosed within the waterproof enclosure that are able to generate an audio output based on the audio data received from the mobile device; and a set of connection ports located within a first recessed area of the waterproof enclosure, the first recessed area including a flexible cover that is able to expose the first recessed area when in an open position and form a waterproof seal with the waterproof enclosure when in a closed position.