Woofer arrangement under a vehicle seat

摘要

The bass frequency loudspeaker assembly is located under the seat and is coupled to the mounting rail (2). An expansion volume (4) has apertures to atmosphere (5) and coupling orifices (13) to the loudspeaker (1). The speaker has a diaphragm (6) within a box having high frequency sound insulating material (12). The 50-300Hz sound output is through a material cover.