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IK Multimedia IRIG-PADS IRig Pads 16 Pad MIDI Groove Controller For IOS Devices, Mac, PC | Full Compass Systems
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Virtual MPE Keyboard For iOS
Music IO: Audio and MIDI over USB by Secret Base Design - MIDI / Audio Interface Plugin VST Audio Unit
mioXC USB to MIDI Interface for PC, Mac, IOS and Android - Willis Music Store
SAND | SAND - Sequencer and host for audio plugins (iOS)
The Best MIDI Interface Units - For PC / Mac / iOS and More | Gearank
Wholesale iOS OTG USB Adapter, Male to Female USB OTG Extension Cable Compatible iOS 9.2 to 13, Support USB Flash Drive Mouse MIDI Keyboard Electric Piano Drum Microphone Audio Interface Camera 6 Inch (Black)