Devices descending from K921725
6 later devices reach Philip XP Series, in-the Canal Hearing Aid through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K081136 | Lyric Hearing Aid | Insound Medical, Inc. | 2008 | 2 | 1 |
| +1 | K021867 | Insound XT Series Hearing Aid | Insound Medical, Inc. | 2002 | 4 | — |
| +1 | K974081 | Resound Stealth Cic | Resound Corp. | 1997 | 0 | — |
| +2 | K151025 | iHearTest | Ihear Medical, Inc. | 2015 | 0 | — |
| +2 | K130790 | LYRIC2 | Phonak, LLC | 2013 | 1 | — |
| +3 | K232999 | Lyric4 Hearing Aid | Sonova AG | 2024 | 0 | — |