Korg Stageman 80 Rhythm Machine Amplifier and PA System PA system Rhythm machine Effects processor Tuner, metronome Recording function Battery operable Highly portable The STAGEMAN 80 is a multi-function portable PA amp that contains a large number of high-quality rhythm patterns, alongside its professional-quality sound reproduction The rhythm component can can even respond to tempo change in realistic ways, due to KORG's new "Real Groove Technology " The STAGEMAN 80 can act as your personal drummer to support your live performances or practice sessions; you can even create a rhythm structure that's appropriate for your own song while using a foot switch to control it in real time With high-output, high-quality stereo speakers, it can also be used as a live PA