Patent ID: 8130976

Claim:
A loudspeaker box in a vehicle having a supporting structure, comprising at least one active sound transducer ( 10 ), including a diaphragm with first and second sides, fitted in the loudspeaker box, at least first and second subcompartments, wherein the sound transducer positioned such that the first and the second sides of its two sides of the diaphragm are adjoined respectively by one of the respective subcompartments which are isolated from one another and which are each formed by the volume of the cavity in at least one element ( 2 , 3 , 4 ) of the supporting structure of the vehicle ( 1 ), and at least one sound tunnel ( 11 ) between a subcompartment and the vehicle interior in which at least some of the sound waves produced in the subcompartments by the sound transducer ( 10 ) are introduced into the interior of the vehicle ( 1 ), wherein the subcompartments are formed by at least two elements ( 2 , 3 , 4 ) of the supporting structure of the vehicle ( 1 ), and wherein the sound transducer ( 10 ) is integrated in a region in which at least two elements ( 2 , 3 , 4 ) of the supporting structure meet one another.