GroupSwing Entertainment
X1
X1 was the 11-member project group created through Produce X 101, and the page still matters because the group compressed an enormous amount of heat into less than five months. X1 debuted in August 2019 with Emergency: Quantum Leap and the single Flash, immediately arriving as one of the most commercially potent survival-show launches of its moment. The lineup included future solo and group standouts such as Kim Yo-han and Cha Jun-ho, which helps explain why the group remains a constant reference point in fourth-generation fan discourse. But the Produce vote-manipulation scandal cut the run short before X1 could develop a second chapter. The group disbanded in January 2020, leaving behind a rare kind of legacy: one debut cycle, one defining single, and an outsized sense of what might have happened with a normal promotion window.
2 articles3 creditsDebut: August 27, 2019South Korean
Members
JunhoVocalistSeungyounMain Rapper, VocalistSeungwooLeader, Main VocalistMinheeVocalistWooseokLead Vocalist, Visual
YohanCenter, Lead DancerEunsangVocalistHangyulMain Dancer, RapperDohyonMain Rapper, MaknaeDongpyoLead VocalistHyeongjunLead Dancer
Gallery
Discography
2019
λΉμ: QUANTUM LEAPMini Album
Group
2019
FlashSingle
Group
2019
λΉμ: QUANTUM LEAP RepackageEP
Group
Fans Also Ask
Who were the members of X1?
X1's 11-member lineup was Han Seung-woo, Cho Seung-youn, Kim Woo-seok, Kim Yo-han, Lee Han-gyul, Cha Jun-ho, Son Dong-pyo, Kang Min-hee, Lee Eun-sang, Song Hyeong-jun, and Nam Do-hyon. The group was assembled through Mnet's Produce X 101 and debuted in August 2019 with immediate commercial traction in Korea and abroad.
When did X1 debut?
X1 debuted on August 27, 2019 with the mini album <em>Emergency: Quantum Leap</em>. The release was led by <em>Flash</em>, a sleek debut single that quickly established the group's scale, giving the Produce X 101 project group one of the fastest starts of its generation.
Why did X1 disband?
X1 disbanded on January 6, 2020 after the Produce X 101 vote-manipulation scandal made long-term group promotions politically and commercially untenable. The members returned to their original companies after only a few months of activity, which is why the group remains one of K-pop's most discussed short-lived acts.
What is X1's best-known song?
X1 are best known for <em>Flash</em>, the lead single from <em>Emergency: Quantum Leap</em>. Even with the group's short lifespan, the track became the defining document of the X1 era because it captured the polished performance style and high expectations built through Produce X 101.
Which survival show created X1?
X1 was formed through Mnet's <em>Produce X 101</em>, the fourth Korean season in the Produce franchise. The show aired in 2019 and ended with an 11-member lineup, but the later vote-rigging investigation permanently shaped how the group was remembered and cut its promotion cycle short.
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