MEGA X is composed of eleven members, born between 1995 and 2001. Their names are: Jaehan, Hwichan, Sebin, Hangyeom, Taedong, Xen, Jehyun, Kevin, Junghoon, Hyuk, and Yechan.
The oldest member is Jaehan (born Jul 1, 1995). The youngest member (maknae) is Yechan (born May 14, 2001).
All of the members are of Korean nationality. They come from boy groups that have disbanded or have participated on survival shows.
OMEGA X members’ prior groups and/or survival shows:
- Jaehan: Produce 101 (show), SPECTRUM, OneVoices
- Hwichan: Limitless
- Sebin: SNUPER
- Hangyeom: Seven O’Clock, Mix Nine
- Taedong: GIDONGDAE, BOYS24 (show), Produce 101 s2 (show)
- Xen: 1TEAM, Superstar K7
- Jehyun: 1TEAM
- Kevin: ENOi
- Junghoon: ENOi
- Hyuk: ENOi
- Yechan: 1THE9, Under 19
