The primary objective of this study is to compare the SoundBite™ Hearing System to surgically implanted BCD systems.

Inclusion Criteria:

• Must be current users of a surgically implanted digitally programmable surgically implanted bone conduction device
• Must be >18, <80 years old
• Must be fluent in English, as determined by the PI
• Must have diagnosis of SSD, time since onset (≥3 months)
• Must have at least two contiguous molar or premolar teeth with no untreated tooth decay. Patients with tooth decay present are to first have restorations before being fitted for SoundBite
• Healthy attachment to those teeth with tooth pockets limited to no more than 5mm

Exclusion Criteria:

• Subjects with known hypersensitivity to any of the components including allergies to polymers.
• Subjects that are unable to use their hands such as quadriplegics or others that are unable to comply with the warnings in the product's labeling.
• Subjects with known or active secondary medical conditions associated with variable sensorineural hearing loss