Members: Kim Yo-han, Kim Woo-seok, Han Seung-woo, Song Hyeong-jun, Cho Seung-youn, Son Dong-pyo, Lee Han-gyul, Nam Do-hyon, Cha Jun-ho, Kang Min-hee and Lee Eun-sang

Record Label: Swing Entertainment/Stone Music Entertainment

Debut: 2019

X1 is a project group formed through the cable reality competition show Produce X 101. The group has eleven members: Kim Yo-han, Kim Woo-seok, Han Seung-woo, Song Hyeong-jun, Cho Seung-youn, Son Dong-pyo, Lee Han-gyul, Nam Do-hyon, Cha Jun-ho, Kang Min-hee and Lee Eun-sang. The group debuted on August 27, 2019 and their contract will end after five years.

Singles & Eps (as lead artist)

Emergency: Quantum Leap (EP, 2019)

Flash (single, 2019)