Conductive hearing impairment occurs when something prevents the passage of sound into the middle ear. Some people may not wish to acknowledge they've already trouble hearing. Ask you hearing healthcare professional to thoroughly describe your synapse xttype and its implications, so that you can make good decisions on treatment and management! This damage could be from disease, drugs like aspirin, aging, or genetics. These listening apparatuses are very small and discreet. synapse xt is a ringing or buzzing sensation that can be "heard" in either one or both of your ears.