264042 - Headphones combined with speakers earphones and microphone - 49 Manufacturers List

2640423500 - Cabinet-mounted single loudspeakers (including enclosures and cabinets designed primarily - 8 Manufacturer
2640423700 - Multiple loudspeakers mounted in the same cabinet (including enclosures and cabinets desig - 6 Manufacturer
2640423900 - Loudspeakers (including loudspeaker operating units enclosures and cabinets designed prima - 27 Manufacturer
2640427000 - Headphones (worn on the head or in the ears) with microphones and sets consisting of a mic - 8 Manufacturer