Want to be a fan of SPECTRUM?
Spectacle in SPECTRUM! 스펙트럼에 입덕을 하면?!
What? The result of Jae Han, and by Jae Han?
Want to be a fan of unique members of SPECTRUM,
Check out ‘Idol Level-Up Ep.1’
Failure is the mother of success! Ending with just failure?
Gopher Dance of SPECTRUM with amazing vocals
Released in ‘Idol Level-Up Ep.2’
Why can’t you say the answer when you know it, Min Jae?
Curious about the very close Alarm Quiz of SPECTRUM?
Find out on ‘Idol Level-Up Ep.3!’