Hearing aid domes are small, soft, and typically cone-shaped attachments that fit on the end of the hearing aid receiver or speaker. They come in various shapes and sizes to accommodate different ear canal shapes and hearing aid styles. Domes serve several purposes, including holding the hearing aid securely in the ear canal, providing comfort, and helping to maintain proper sound quality by ensuring a proper seal. Some hearing aids use domes with vents to allow airflow and prevent a "plugged" feeling. Regular cleaning and replacement of domes are essential to prevent wax buildup and maintain optimal hearing aid performance. The choice of dome style depends on factors such as the user's hearing loss, comfort preferences, and the hearing aid model. Consulting with an audiologist can help determine the most suitable type of hearing aid dome based on individual needs and preferences.