Designed to deliver professional-quality audio, the 12" QSC K12 is a highly flexible, easy to use, 1000W powered portable PA speaker for today's working musicians, singer/songwriters, mobile DJs, and other sound providers. The speaker works in a variety of orientations and configurations for use as a main PA or stage monitor. When used as a main speaker, a pair of K12s is well equipped to cover an audience of 250+.