Hi, I just bought this package (which it prenome dailleurs powerpack 640 daprs the photo) to be able to amplify my cajon on stage, story we hear a little more and j'vite m ' cot aracher the hands of my bass player who plays on a Mark Bass 500W !! , Lol.

But there is no instruction in French and the phonic site, not found either !! sniff
Could someone explain to me how to do the different connections. Facade / facade; Facade / return; Return / Back ... OR do quelq'un has a manual in ENGLISH, THANK YOU !!!