I don't know what type of speaker setup you have, placement, specs, etc. they are so I cannot/will not pass judgement nor comment on them...   However, I will say this...    After having using P-N-P desktop speakers, in all formats (2.0, 2.1, 5.1) from various manufacturers such as JBL...

My apologies...  I don't know where I got the $250 from...  In any event, I cannot find any information on Proson speakers using Google here in the US.  However, looking at the Dynavoice speakers...  The Dynavoice appear to be fairly good speakers by looking at the reviews, specs and pricing of...

I know these are US links...  But, this is a 6-ohm set of Yamaha 5.1 speakers that are under $250... Not sure how that would work with International shipping OR if they would be available in Sweden.  Looking at your receiver, I do not see anything rating below 6-ohms, so you'd run into that heat...

The speakers will work, but as others have stated...  The Pioneer will get hot as you add volume.  As the Pioneer has a USB port, one way to reduce the heat/keep the AVR cool(er), is to add USB powered fan(s) to the top of the unit.  Either one 140mm or dual 120mm fans will work, placing them so...

Your speakers are capable of both bi-wiring and bi-amping, to answer your question directly...  However to do the "bi-amping" requires some forethought, a larger budget and for speakers and intended purpose of bi-amping (IMO) I'd go upscale on the speakers.   Bi-wiring produces subjective...

I know this thread/review is a bit old, but I could not help but laugh my ***** off when reading where the OP tested the Corsairs (or any speaker for that mater) with a REALTEK onboard chip...  Amazing!   At least pick a decent soundchip/souncard/dac when doing so, friend.  As the OP stated...