Hearing Outcomes With the Osia 3 Sound Processor Compared to the Osia 2 Sound Processor in Adult Osia Implant Recipients

Inclusion Criteria: * Implanted with a Cochlear Osia Implant (OSI100, OSI200, OSI300) * Conductive or mixed hearing loss in the implanted ear. Bone conduction thresholds up to 65 dB HL (up to 40 dB HL at 0.5 kHz, up to 55 dB HL at 1kHz and up to 65 dB HL at 2 and 4 kHz) or Single-Sided Deafness in the implanted ear. The pure tone average air conduction hearing thresholds of the hearing ear should be better than or equal to 20 dB HL (measured at 0.5, 1, 2 and, 3 kHz). * Aged 18 years or older, at time of consent. * Minimum experience of 1 month with the Osia 2 Sound Processor. * Fluent speaker in the language used to assess speech perception performance. * Willing and able to provide written informed consent. Exclusion Criteria: * Ongoing infection at or around the sound processor area. * Bilaterally implanted with a Cochlear Osia Implant. * Unable or unwilling to comply with the requirements of the clinical investigation as determined by the Investigator. * Use of ototoxic drugs that could be harmful to the hearing, as judged by the investigator. * Investigator site personnel directly affiliated with this study and/or their immediate families; immediate family is defined as a spouse, parent, child, or sibling. * Cochlear employees or employees of Contract Research Organisations or contractors engaged by Cochlear for the purposes of this investigation. * Current participation, or participation in another interventional clinical study/trial in the past 30 days, involving an …