GroundRules
21 CFR 874.3330: Master hearing aid.
Where this section sits in the code
- Title 21—Food and Drugs
- CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES
- SUBCHAPTER H—MEDICAL DEVICES
- PART 874—EAR, NOSE, AND THROAT DEVICES
- Subpart D—Prosthetic Devices
(a) Identification. A master hearing aid is an electronic device intended to simulate a hearing aid during audiometric testing. It has adjustable acoustic output levels, such as those for gain, output, and frequency response. The device is used to select and adjust a person's wearable hearing aid.
(b) Classification. Class II (special controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 874.9.
Collected 2026-08-27T02:24:47Z. Source file · JSON