MPC X, MPC Live, MPC One & MPC Key 61 Forum: Support and discussion for the MPC X, MPC Live, MPC Live II, MPC One & MPC Key 61; Akai's current generation of standalone MPCs.
Pretty sure they did. I havent had the time but I am assuming it will power my advance keys, it powered and accepted midi from a roland ju-06 but I just wanted to see if it would powwer it not control it with midi. took me awhile to figure out how to turn the midi in off,