The bone vibrator is mounted on a headband which must exert pressure on the head in order to maintain a good contact. A reduction in pressure is likely to produce a considerable falling off in the effectiveness of the device.

It is normally worn behind the ear on the hairless part of the skull known as the 'mastoid process.' The effect may alter with quite small changes in position. They can be placed elsewhere on the head but there can be significant reduction in the level of sound perceived. This may not be a problem if the conductive hearing loss is such that there is sufficient power in the hearing aid to counteract this loss without undue distortion.

Advantages

* Commonly used for conductive hearing loss upto moderately severe degree.
* People with blocked ear canal can use this type of aid.
* It is like head band and can't be easily markable .

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