BEHRINGER CHORUS ORCHESTRA CO600 Fatten up your tone with a warm, vintage chorus or a super-thick and spacious stereo effect This BEHRINGER product has been designed to compete head to head with leading products on the market Dedicated Depth, 2-band EQ, Rate and Level controls for awesome sound shaping Status LED for effect on/off and battery check Runs on 9 V battery or the BEHRINGER PSU-SB DC power supply (not included)