Shop for the IK Multimedia iRig Keys I/O 49 and receive free shipping on your order and the guaranteed lowest price ultraaffordable 49key USB MIDI controller for Mac/PC Its velocity sensitive keys provide a generous 4 octave range (plus 1 note), which also happens to make for a compact size that's perfect for stashing in your laptop oWith a size that is over 30% smaller (for the 25 keys) to nearly 50% smaller (for the 49 keys) than the smallest competitor, iRig Keys I/O are the most compact full size keys controllers on the market today (plus with the included audio interface they take up even less space)AXE I/O, iRig Stomp I/O, StealthPlug, StealthPedal, StompIO Guitar and Bass Audio Interfaces/Controllers, iRig Keys I/O and the iRig Keys family of MIDI controllers 15 posts • Page 1 of 1 Irig keys I/O and iPad Pro (usbc) Ik Multimedia Irig Keys I O 49 Ik multimedia irig keys i/o 49 midi controller and audio interface review