Evaluation of Remote Fitting in Adult and Pediatric Users of the HiResolution Bionic Ear System

Inclusion Criteria All Subjects * Ability to provide Informed Consent/Assent * 13 years of age or older * Unilateral or bilateral user of a HiResolutionTM Bionic Ear System (HiRes 90KTM, HiRes 90KTM Advantage, HiResTM Ultra, HiResTM Ultra 3D) * Minimum of 6 months of CI experience with a minimum of 1 month experience with a Naída CI or Sky CI sound processor * At least moderate open-set speech recognition abilities (defined as speech in quiet score ≥ 60% as assessed at Visit 1) * Minimum average score ≥ 3 on the Mobile Device Proficiency Questionnaire (MDPQ-16) * English language proficiency as determined by the Investigator * Willingness to use a BTE sound processor for the duration of the study Inclusion Criteria Specific to Aidable Residual Hearing Group * Residual low frequency hearing sensitivity (pure tone average of \< 70 dB HL for 125, 250, and 500 Hz) and a severe-to-profound high-frequency sensorineural hearing loss (pure tone average of ≥ 70 dB HL for 1,000, 2,000, 3000, 4,000, and 8,000 Hz) in the implanted ear for unilaterally implanted subjects and in both ears for bilaterally implanted subjects * Willingness to use an in-canal acoustic earhook for the duration of the study Exclusion Criteria: * Clinical presentation indicative of potential implanted device malfunction * Unrealistic expectations regarding potential benefits, risks and limitations of the investigational device as determined by the Investigator * Unwillingness or inability of subject to comply with all investigational requirements as determined by the Investigator