Suitable for use with Korg AX1, AX10, AX100, AX1500, AX3, AX3000, AX5, DT-10, DT-7, EA1, EM1, ER1, ES1, GT-12, GT-3, K25, K49, K61, K61P, MS2000, OT-12, POLY 800, MK2, PX3. Effects Processor Tuner MIDI Keyboard Synthesizer KA183, KA186, KA189, KAC9500.