Structure of portable loudspeaker, usable in locations with limited resonance space, with housing, sound cap and bass emission housing

摘要

Housing (1) includes enclosed chamber with boltint and coupling parts protruding at rear side of top housing body (11). Sound cap is connected to bolting and coupling parts on housing. Between end of sound end and top part of housing is formed suitable height.One end of bass reflex tube (4) is coupled to housing, while its other end penetrates sound cap, which forms appropriate height. Sound cap middle consists of numerous protruding parts.