| Origin | Seoul, South Korea |
| Debut | April 23, 2011 |
| Members | CNU Sandeul Gongchan Jinyoung (Ex-Member) Baro (Ex-Member) |
CNU
| Full Name | Shin Dong Woo |
| Birthday | June 16, 1991 |
| Birthplace | Cheongju, South Korea |
| Age | 33 years and 8 months old |
| Height | 6′ (182 cm) |
Sandeul
| Full Name | Lee Jung Hwan |
| Birthday | March 20, 1992 |
| Birthplace | Busan, South Korea |
| Age | 32 years and 11 months old |
| Height | 5’9″ (175 cm) |
Gongchan
| Full Name | Gong Chan Shik |
| Birthday | August 14, 1993 |
| Birthplace | Suncheon, South Korea |
| Age | 31 years and 6 months old |
| Height | 5’11” (181 cm) |
Jinyoung (Ex-Member)
| Full Name | Jung Jinyoung |
| Birthday | November 18, 1991 |
| Birthplace | Cheongju, Chungcheongbukdo, South Korea |
| Age | 33 years and 3 months old |
| Height | 5’10” (178 cm) |
Baro (Ex-Member)
| Full Name | Cha Sun Woo |
| Birthday | September 5, 1992 |
| Birthplace | Gwangju, South Korea |
| Age | 32 years and 5 months old |
| Height | 5’10” (178 cm) |
FAQs
How many members are in B1A4?
B1A4 is a 3-member K-pop boy group. The group consists of CNU, Sandeul and Gongchan.
When did B1A4 debut?
B1A4 debuted on April 23, 2011, with their single “O.K” from the EP Let’s Fly.
