Vanguard Prescription Hearing Aid Center Vanguard Prescription Hearing Aid is proud to have provided affordable hearing for over a decade to thousands of Michiganders. Our hearing aids are high-quality, FDA-approved medical devices that are programmed to the highest standards and tested by our in-house team of audiologists and hearing professionals. From patient care to patient support, we’re passionate about helping people with hearing loss get affordable hearing aid solutions, and we’re dedicated to making your experience with us a good one.