A-Jax (Korean: 에이젝스, stylized as A-JAX) is a South Korean boy band formed by DSP Media in 2012. Early in their career, the group was known as DSP Boyz but then was changed to A-Jax. The group is currently composed of five members: Hyeongkon, Yunyoung, Seungjin, Seungyeop, and Junghee. They made the first appearance on TV as a group on MBC Music’s Making the Star – DSP Boyz on April 24, 2012. The group made its official debut with the single “One 4 U” in South Korea on June 1 and in Japan on August 8, 2012 with the same song.
The debut of the group was announced on April 1, 2012 with a video teaser of their MBC Music’s show Making the Star. During that time, they were temporarily called as ‘DSP Boyz’. Seungjin’s on April 23.
DSP Media announced the group’s official name as “A-Jax” on April 24 and DSP also explained the meaning of the group’s name: “A-Jax is in reference to the mythological Greek hero that helped bring victory to the Greeks during the Trojan War.” On May 7, a mysterious video featuring KARA’s member Goo Hara was revealed on DSP Media’s YouTube account with a male voice on the background. The video created a confusion because it was not revealed if the video was a teaser for an upcoming Korean comeback of KARA, or a teaser for an upcoming solo event of Hara, or something related to A-Jax. On May 10, another video of Hara was released, revealing that the teaser was related to A-Jax. In the teaser, a song of the group (at this time the name was not revealed) was playing at the background. On May 15, DSP Media released the song and music video of the song played on the teaser, called “Never Let Go”. On the music video only appears Hara. Later it was stated that the song was only a prologue song.
On May 21, it was revealed that A-Jax was set to be the opening act in KARA’s last two shows of their first tour, Karasia, in Saitama, Japan. The members stated “It’s an honor to be able to stand on such a big stage before our debut. It’ll be a learning experience for us. As it is a great opportunity, we’re going to work to show as much of our charm as possible.”
On May 1, it was revealed that the group will be debuting in South Korea and Japan simultaneously in 2012. It was also revealed by DSP that “A-Jax will be the first Korean idol group to debut within Korea and Japan simultaneously, and will follow in the footsteps of the group SS501. A-Jax has signed under the equivalent conditions that other Korean male idol groups, who have already established their popularity, have been given, making it an unprecedented event. Thus, they are receiving much attention from Japanese music industry insiders.” For their Japanese releases, they signed with the label Universal Sigma, where their labelmates Kara and Rainbow are currently signed.
In May 28, DSP Media released, on A-Jax’s YouTube account, a teaser of the music video for their official debut song “One 4 U”. It was later stated that the music video have cost $42,500 USD only with CG effects. The music video and full single of “One 4 U” were released on June 1. The group made its official debut on TV music shows on MBC’s Show! Music Core in June 2, with the songs “Never Let Go” (used as opening) and “One 4 U”. On June 4, it was stated that the group will perform on Japan’s a-nation, along with the artists/groups AAA, Aaron, Breathe, Da Pump, Deep, Daichi Miura, Shu-I, U-KISS and 4ever. The event will be held in Yoyogi on August 9.
In June 19, Universal Sigma announced that “One 4 U” was re-recorded in Japanese and will be released as their debut single in Japan. The single will be released on August 8, 2012. It was also announced that the group will make a Handshake event commemorating the release of the single. It will be held in Tokyo on August 8, Osaka on August 10, Nagoya on August 11 and in Fukuoka on August 12.
In July 7, DSP Media started an event called “Wing Car Project”, to the group meet their fans outside Seoul. In that same statement, it was also announced that the group will be releasing a new digital single in July. One day later, it was revealed a photo of the truck’s back, revealing the name of the new single, titled “Hot Game”. The single was officially released on July 11, 2012 as “One 4 U” follow-up song. In July 17, A-Jax’s fan-cafe was updated with the group’s fan name, to be titled “A-Light”. In August 9, Universal Sigma announced that “Hot Game” was re-recorded in Japanese and will be released as the group’s second Japanese single, to be released on October 31, 2012.
The group released their debut mini album titled 2MYX in November 15. The EP includes three new songs and the songs already released in South Korea, “One 4 U”, “Never Let Go” and “Hot Game”.
In June 26, 2013, it was revealed on A-Jax’s official Twitter account that the group will be returning with their 2nd mini-album entitled Insane, with the song of same title being the promotional track. It was also revealed the mini-album’s cover. The mini-album will be released in July 11, 2013 with distribution by LOEN Entertainment.
On October 21, 2013, the agency announced the group’s comeback when they unveiled the album jacket photo for upcoming single “Snake”. “Snake” is said to be of the lighthearted and funky rock genre where the lyrics allude a young boy’s love to that of a snake.
In December 2014, the group participated to DSP Media’s special Christmas Album White Letter with the song “Like Lovers” (Hangul: 연인처럼) featuring labelmate Oh Jong Hyuk as well as title track “White”.
On January 8, 2015, DSP Media announced that Jaehyung would enlist in the army as a public service officer. On January 7, 2016, it was announced by DSP Media that Sungmin had left the group. On February 5, 2016, DSP Media announced the departure of Jaehyung and Jihu. Jihu and Sungmin would remain with the label, while Jaehyung’s contract was terminated. Junghee was added to the group and A-Jax will continue promoting as a quintet. On December 11, 2016, the group held a showcase, in Tokyo, Japan, titled A-JAX SHOWCASE [A-JAX RISING].
On September 19, 2017, the group released their third Japanese single, “Romeo.” Members Seungjin and Junghee will be participating the idol rebooting show KBS’s The Unit. Former member Jihu will be participating in MIXNINE, which will be broadcast on JTBC in partnership with YG Entertainment.