Interchannel Hearing Aid can help peopel. The main organs that give a person the joy of understanding the world around them are hearing sight and speech. The loss of normal functioning of any of these organs reduces the quality of life. Especially because of age-related changes, people lose their hearing. But in modern society, with the high level of development of medicine and the technological process, this problem is easily solved. In cases of hearing loss, in-channel hearing aids come to the rescue.