A passive (i.e., non-powered) acoustic device intended to compensate for total hearing loss in one ear, by transmitting sound received by a microphone from the deaf ear to an active (i.e., powered) hearing aid worn on the hearing ear. This contralateral routin
| Company | Devices | Share |
|---|---|---|
| Ws Audiology Usa, Inc. | 235 | 71% |
| Sonova Ag | 90 | 27% |
| Widex A/S | 4 | 1% |
| Gn Hearing A/S | 3 | 1% |
Company = labeler of record on GUDID. 4 companies in total; top 12 shown. Click headers to sort.
Sample of brand names as labelled; no endorsement. Ask us for the full list with company, model and UDI.
| Code | Name | Devices |
|---|---|---|
| KLW | Masker, Tinnitus | 183 |
| OSM | Hearing Aid, Air Conduction With Wireless Technology | 148 |
| OSM | Hearing Aid, Air-Conduction With Wireless Technology, Prescr | 124 |
| OSM | Hearing aid, air conduction with wireless technology | 46 |
| ESD | Hearing Aid, Air Conduction | 17 |
Use these as the dimensions to specify in a tender line.
332 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Contralateral hearing unit", from 4 companies. The largest labeler is Ws Audiology Usa, Inc. with 71% of records.
KLW (Masker, Tinnitus), OSM (Hearing Aid, Air Conduction With Wireless Technology), OSM (Hearing Aid, Air-Conduction With Wireless Technology, Prescr), OSM (Hearing aid, air conduction with wireless technology)
No. GUDID is the US register. For the UAE (MOHAP/DoH) and Saudi (SFDA/MDMA) a separate registration and a local authorised representative are required; Consulting Wallah can check the status and connect you with registered suppliers.
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Source: FDA AccessGUDID (AccessGUDID full release 2 Nov 2026); counts are device records in commercial distribution grouped by GMDN preferred term; companies are labelers of record. Information only — US listing is not a registration in the UAE or GCC; verify with the regulator. © Consulting Wallah — CC BY‑NC‑ND.