A device for amplifying the suction noise of a vehicle is disclosed. The
device comprises an intake duct, a connecting pipe and a composite
membrane. The intake duct is for feeding air to an engine intake port. A
connecting pipe is connected to an interior of the intake duct. The
composite membrane is positioned within the connecting pipe. The
composite member blocks an interior passage formed in the connecting
pipe. The composite member further includes at least two elastic
membranes with one of masses and rigidities that different from each
other. A method is also disclosed.