Patent ID: 8265322

Claim:
A headphone for converting an audio signal into a sound and outputting the sound comprising: a speaker unit including a diaphragm and a driving source that vibrates the diaphragm along a driving axis that passes through the speaker unit, the speaker unit having a first face and an opposing second face along the driving axis, the diaphragm and the driving source being installed in the speaker unit between the first and second faces; a first weighting member fixed as being in contact with the first face of the speaker unit; a second weighting member fixed as being in contact with the second face of the speaker unit; and a housing that installs the speaker unit and the first and second weighting members, wherein at least either the first or the second weighting member is fixed to the housing, the speaker unit is installed in the housing via the first and second weighting members so that the speaker unit is not in direct contact with the housing, and the first and second weighting members have a higher specific gravity than the housing.