Digital Tinnitus Masking System
FDA 510(k) K974501 · Petroff Audio Technologies
510(k) numberK974501
Submission
- Device name
- Digital Tinnitus Masking System
- Applicant
- Petroff Audio Technologies
West Hills, CA, US - Received
- November 28, 1997
- Decision date
- January 20, 1998
- Decision
- Substantially Equivalent (SESE)
- Type
- Traditional 510(k)
- Summary
- 510(k) statement available from FDA
Device classification
- Product code
- KLW – Masker, Tinnitus
- Device class
- Class II (moderate risk)
- Regulation
- 21 CFR 874.3400
- Specialty
- Ear, Nose, Throat
Other 510(k)s with product code KLW
| 510(k) | Device | Applicant | Decision |
|---|---|---|---|
| K260413 | Levo Gen 2 Tinnitus Therapy SystemKLW · Traditional | Levo Medical Corporation | 08/13/2026SE |
| K260614 | Tinnitus TherapyKLW · Special | Sivantos GmbH | 06/10/2026SE |
| K233435 | Peace N Quiet (0.7.0)KLW · Traditional | Pnq Health | 02/27/2024SE |
| K223694 | Tinearity G1 (6103); Tinearity G1 Adapters x3 (6042)KLW · Traditional | Duearity AB | 06/30/2023SE |
| K221168 | Tinnitogram Signal GeneratorKLW · Traditional | Goldenear Company, Inc. | 02/01/2023SE |
| K221125 | SilentCloudKLW · Traditional | Aureliym GmbH | 01/04/2023SE |
| K201370 | Multiflex Tinnitus TechnologyKLW · Special | Starkey Laboratories, Inc. | 06/19/2020SE |
| K193303 | Tinnitus Sound Generator ModuleKLW · Special | GN Hearing A/S | 02/20/2020SE |
| K180495 | Tinnitus Sound Generator ModuleKLW · Traditional | GN Hearing A/S | 11/30/2018SE |
| K181586 | Tinnitus Sound Generator ModuleKLW · Special | GN Hearing A/S | 07/13/2018SE |
Questions and answers
When was Digital Tinnitus Masking System cleared by the FDA?
Digital Tinnitus Masking System (K974501) received a 510(k) decision of Substantially Equivalent on January 20, 1998, 53 days after the submission was received.
What is the product code of K974501?
The FDA product code is KLW – Masker, Tinnitus, a Class II (moderate risk) device regulated under 21 CFR 874.3400.