Connect to Dock Port on iOS Device, For iRig Pro/Pro Duo/MIDI 2, For iRig HD/Pads/Keys/Keys Pro, Mini-DIN Connector, 30-Pin Dock Connector, 23.6" Cable Length. The IK Multimedia 30-Pin to Mini-DIN Cable is a 23.6 replacement cable designed to connect your IK Multimedia iRig MIDI 2 iRig Pro iRig Pro Duo iRig HD iRig Keys iRig Keys Pro or iRig Pads to a compatible Apple iOS device equipped with a 30-pin Dock connector. The cable features a 30-pin Dock connector on one end and a mini-DIN connector on the other.