A: Make sure you use the latest Cubasis 2 LE from the App Store and update your SRI-2 with the latest firmware, HERE. Be sure that you have connected external power through the micro USB port on the back before you connect your SRI-2 to the iPad.
A: Motherboards/Laptops/docking stations and PCIe to USB 3 adapter cards that use USB 3 controller chips from the following manufacturers are are not recommended for use with Fluid Audio SRI-2: Texas Instruments Etron Fresco Logic ASMedia Issues you can experiance is no sound and static noise
A: The Strum Buddy comes with several small, rubber USB plugs. Those are for sealing the USB connector hole, and should fix this annoying sound. (Only applies to Strum Buddy, not Strum Buddy Metal Edition