BOSS GE-21 Graphic Equalizer Micro Rack PRO Series Half Rack Made in Japan Body only. The power adapter is connected for photography, but the power adapter is not included. Please prepare a power adapter (BOSS BRA-100 or BRB-100) yourself. Operation confirmed, no problems. I was using it until recently. - Power adapter power supply OK - Equalizer knobs all working OK - Each button works OK - Each jack OK - LED lights up OK There may be some scratchiness due to aging on the knobs and jacks. There are scratches, scuffs, and rust on the body due to use. There is no problem with normal use. Only a simple cleaning will be done before shipping. Instant purchase OK. Thank you.