Member ages
AMPERS&ONE Member Ages and Birthdays
AMPERS&ONE member ages and birthdays ranked oldest to youngest, from Kamden at age 25 to Seungmo at age 20.
Oldest to youngest
| Rank | Member | Age | Birthday | Position |
|---|---|---|---|---|
| #1 |  KamdenMember | 25 | Jun 9, 2001 | Leader, Rapper, Main Dancer |
| #2 |  BrianMember | 23 | Aug 27, 2002 | Vocalist |
| #3 |  JihoMember | 22 | Jun 10, 2004 | Vocalist |
| #4 |  SiyunMember | 21 | Jan 8, 2005 | Vocalist |
| #5 |  KyrellMember | 21 | Jul 3, 2005 | Vocalist |
| #6 |  MackiahMember | 20 | Jan 21, 2006 | Rapper |
| #7 |  SeungmoMember | 20 | Jul 3, 2006 | Vocalist, Maknae |