9v AC adapter cord = ALESIS D4 Midi Drum console Module electric cable wall plug

(aka: 9volt AC 0.83A). Amperage can be higher, but never lower. Can be used with 3630 Compressor, Microverb 3 & 4, SR-16 Drum Module, D4 Drum Module, DM5 Drum Module, Nanobass, Nanopiano, Nanosynth, Nanoverb, Nanocompressor, M-EQ 230 EQ, Midiverb II & III.