This is the first step towards getting synapse xt relief. synapse xt cure is needed if you feel so uncomfortable by a swishing, ringing sound that is constantly present in your head. Whilst synapse xt itself is a symptom of another condition, there are quite a wide variety of sounds or noises that the synapse xt sufferer may experience. Using white noise is very ideal for elderly patients; you may use white noise machines or white noise makers such as radios, electric fans, washing machines and other household appliances that can help reduce the persistent ringing that they experience in their ears.