It's going to be hard to get everything setup in time if you've never done it before and are starting from scratch !
Best I can suggest is an old Windows smartphone with the superlative HAAC microphones that never distort [
www.allaboutsymbian.com]
You can get them for cheap too, Nokia Lumia 830, 930, etc...
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IORR Links : Essential Studio Outtakes CDs : Audio - History of Rarest Outtakes : Audio