B1A4

WM Entertainment
About B1A4
“Let’s Fly, B1A4!
Hello, we are B1A4!”
Hello, we are B1A4!”
B1A4 (Be the One, All For one) is a K-pop boy band made up of three members – CNU, SANDEUL and GONGCHAN. The band debuted on April 23, 2011 under WM Entertainment.
B1A4 Profile
Group | 비원에이포 | B1A4 |
---|---|
Fandom | 바나 | BANA |
Debut | April 23, 2011 +4547 Days Since Debut |
Debut Album | Let’s Fly |
Latest Release | Adore you |
Official Color | Pastel Apple Lime |
Years Active | 2011 – present |
Label | WM Entertainment |
Distributor | Sony Music |
Official Page | ![]() ![]() ![]() ![]() |
B1A4 Members
B1A4

CNU
06/16/1991
Main Dancer
Sub Vocalist
Sub Rapper

SANDEUL
03/20/1992
Main Vocalist

GONGCHAN
08/14/1993
Lead Dancer
Sub Vocalist
Age (from oldest to youngest)
# | Member | Age |
---|---|---|
1 | CNU | 32 |
2 | SANDEUL | 31 |
3 | GONGCHAN | 30 |
Height (from tallest to shortest)
# | Member | Height |
---|---|---|
1 | CNU | 182cm |
2 | GONGCHAN | 181cm |
3 | SANDEUL | 178cm |
Citizenship
# | Member | Citizenship |
---|---|---|
1 | CNU | Republic of Korea |
2 | SANDEUL | Republic of Korea |
3 | GONGCHAN | Republic of Korea |
Blood Type
# | Member | Blood Type |
---|---|---|
1 | CNU | A |
2 | SANDEUL | A |
3 | GONGCHAN | A |
Zodiac Sign
# | Member | Zodiac Sign |
---|---|---|
1 | SANDEUL | Pisces |
2 | CNU | Gemini |
3 | GONGCHAN | Leo |
Mandatory Military Service
# | Member | Military Service |
---|---|---|
1 | GONGCHAN | Wartime Labor Service |
2 | CNU | Republic of Korea Army January 22, 2019 – August 28, 2020 |
3 | SANDEUL | Social Service Agent November 11, 2021 – August 10, 2023 |
B1A4 Members Profile & Facts
CNU

WM Entertainmnet
Name | 신우 | CNU |
---|---|
Full Name | 신동우 | Shin Dongwoo |
Date of Birth | June 16, 1991 |
Place of Birth | Cheongju, Chungcheongbuk-do, South Korea |
Hometown | Cheongju, Chungcheongbuk-do, South Korea |
Citizenship | Republic of Korea |
Height | 182cm | 6′-00″ |
Blood Type | A |
Zodiac Sign | Gemini |
Family | Mother, Father, Older Sister |
Education | Hanyang University |
Position | Main Dancer, Sub Vocalist, Sub Rapper |
CNU Facts
CNU was born and raised in Cheongju. |
He grew up in a musical environment. |
Training Period: 2 years |
SANDEUL

WM Entertainmnet
Name | 산들 | SANDEUL |
---|---|
Full Name | 이정환 | Lee Junghwan |
Date of Birth | March 20, 1992 |
Hometown | Saha-gu, Busan, South Korea |
Citizenship | Republic of Korea |
Height | 178cm | 5′-10″ |
Blood Type | A |
Zodiac Sign | Pisces |
Family | Mother, Father, Older Sister |
Education | Myongji University |
Position | Main Vocalist |
SANDEUL Facts
He is not a religious person. |
He attended an all-boys high school. |
GONGCHAN

WM Entertainmnet
Name | 공찬 | GONGCHAN |
---|---|
Full Name | 공찬식 | Kong Chansik |
Date of Birth | August 14, 1993 |
Hometown | Suncheon, Jeollanam-do, South Korea |
Citizenship | Republic of Korea |
Height | 181cm | 5′-11″ |
Blood Type | A |
Zodiac Sign | Leo |
Family | Mother, Father, Younger Brother |
Education | School of Performing Arts Seoul |
Position | Lead Dancer, Sub Vocalist |
GONGCHAN Facts
He graduated from School of Performing Arts Seoul on February 9, 2012. |
Training Period: 1 year and 6 months |
B1A4 Discography
Year | Type | Album Title | Title Track |
---|---|---|---|
2021 | Digital Single | Adore you | Adore you |
Digital Single | 10 TIMES | 10 TIMES | |
2020 | 4th Album | Origine | Like a Movie |
2019 | Digital Single | A Day of Love | A Day of Love |
2017 | 7th EP | Rollin’ | Rollin’ |
2016 | 3rd Album | GOOD TIMING | A lie |
2015 | Digital Single | It’s Christmas time | It’s Christmas time |
6th EP | Sweet Girl | Sweet Girl | |
2014 | 5th EP | SOLO DAY | SOLO DAY |
2nd Album | Who Am I | Lonely | |
2013 | 4th EP | What’s Happening? | What’s Happening? |
2012 | 3rd EP | IN THE WIND | TRIED TO WALK |
1st Album Repackage | ‘IGNITION’ SPECIAL EDITION | Baby Good Night | |
1st Album | IGNITION | BABY I’M SORRY | |
2011 | 2nd EP | It B1A4 | Beautiful Target |
1st EP | Let’s Fly | O.K |
Music Show Wins
B1A4 Facts
B1A4 became the first boy band to debut under WM Entertainment. |
Former B1A4 Members
Name | Born | Position | Years Active |
---|---|---|---|
JINYOUNG | November 18, 1991 | Leader, Lead Vocalist | April 23, 2011 – June 30, 2018 |
BARO | September 5, 1992 | Main Rapper | April 23, 2011 – June 30, 2018 |
Category: WM Entertainment Artists