Spectacle in SPECTRUM! Hello, we are SPECTRUM! SPECTRUM (스펙트럼) was a six-member boy group under WYNN Entertainment. They were expected to debut in October 2017 but was delayed due to their participation on MIXNINE. They released their first mini album Be Born on May 9, 2018 and officially debuted on May 10 through their debut stage on M Countdown.
WYNN Entertainment announced on the group's fan cafe on July 10, 2020 that the group disbanded and the members' contracts were terminated due to the company's struggles.