US Patent 7724912 Speaker assembly

A speaker assembly includes a rigid, structurally stable and self supporting housing within which at least a first driver is mounted and enclosed. The housing including a first aperture formed in a first wall of the housing. The first driver includes a cone coupled to a driver magnet for generating sound. The driver magnet is seated within the first aperture exposing a portion of the driver magnet to an exterior of the housing. The driver magnet is encircled by a foam gasket member, the foam gasket member being shaped and dimensioned to permit airflow about the magnet.