An apparatus may include a passive vibration member, a supporting member overlapping the passive vibration member, and a vibration apparatus between the passive vibration member and the supporting member and configured to include first and second active vibration members connected to each other and intersecting with each other. The first active vibration member may be connected to a first member of one of the passive vibration member and the supporting member, and the second active vibration member may be connected to a second member of the other of the passive vibration member and the supporting member.