I know that may defeat the purpose of having a compact and portable preamp solution but if you don’t need the portability the iRig2 is better and sounds better with an external pre

Excellent preamp

A good preamp for my mic into the iPad.

Modified it to work as a preamp for XLR mic for my video camera - google iRig PRE mod for details.

The preamp is too weak with faint noise

Captures cleaning sound and it is the best preamp available for anyone trying to work on a budget