# K891988: Amplaid A308 Clinical Audiometer

- Pathway: 510(k) (Traditional)
- Applicant: Amplus Corp.
- Decided: Oct 12, 1989 after 198 days
- Product code: EWO (Audiometer)
- Device class: 2
- Regulation: 21 CFR 874.1050
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
2 later devices descend from it; 2 cite it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K983712: Amplaid A311 Series (1999), 0 descendants of its own
- K972862: Amplaid 171S (1997), 0 descendants of its own

Source page: https://510kreport.com/device/K891988
Methodology: https://510kreport.com/methodology