CPC H04R 1/02 (2013.01) [H04R 5/02 (2013.01)] | 26 Claims |
1. An apparatus, comprising:
a vibration member;
a first cover disposed at a rear surface of the vibration member and including a first hole;
a first vibration apparatus disposed at a rear surface of the first cover and configured to cover the first hole, an unoccupied space being formed in the first hole between the vibration member and the first vibration apparatus, and the first vibration apparatus being spaced apart from the vibration member and configured to vibrate the vibration member; and
a first enclosure member disposed at the rear surface of the first cover and configured to cover the first hole and the first vibration apparatus.
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