Clinical Research Directory

Inclusion Criteria: * Sensorineural hearing loss, mild-to-moderately severe (Pure tone average of 500, 1000, 2000 and 4000 Hz \<65). * Hearing loss should fall within fitting range of study hearing aid * Subjects should be experienced hearing aid users who have had and used hearing aids daily for at least 1 year. * Air-Bone-Gap should be less or equal to 20 dB. * Asymmetry between left and right ear should not exceed 20dB for frequencies in the range of 250Hz to 4kHz * Healthy (outer and middle) ear * Older than 18 years * German is mother tongue * Able to understand the instructions * Willing to participate in laboratory tests and to wear the study HAs at home for 2 weeks * Informed consent Exclusion Criteria: * Contraindication for HA treatment * Fluctuating or rapidly progressing hearing loss * "Central" hearing problems * Limited mobility * Limited dexterity (in handling the HA) * Known psychological or cognitive problems * Subjects must not show any injuries or a complete perforation of the ear drum. This must be clarified prior to the beginning of the study by means of otoscopy. * Subjects should be in good overall medical condition (e.g., they shall not suffer from dementia) and should not use medical treatments that might affect study results.