Felix Lee, stage name Felix, was born in Blacktown, Sydney, Australia on September 6th, 2000. Cui Shengxian's real name is Choe Sung-hyun, and his English name is Top. 1987165438+1was born in Seoul, Korea on October 4th. Felix's bass frequency is 200 Hz, and top's bass frequency is 2 10 Hz. Felix has a deeper and more magnetic voice than Top.