biwire? and best way to do it?

Hi folks!

Was playing around with my Wharfedale EVO 4.4s, trying to get more bass weight - changed the bananas from one HF and one LF to both LF, and WHOA. All of a sudden the kick drum is in the room. Just what I was looking for. This was the first time I had noticed difference with the speaker wire position.

Then for fun, i moved both bananas to the HF. And WOW the AMT tweeter just sparkles - so much air and detail. But the bass weight went away.

So question for all you fine folks is two-fold:

1) Would bi-wiring give me the best of both worlds? That more sparkly tweeter with that heavy bass? Or would i really need to bi-amp them? I’m running them with a Rega Elicit-R.

2) How best to do it? Get premade 4-bananas-to-2-bananas Canare 4S11 cables from Blue Jeans, or just but some stacking bananas for my amp and run more of the Belden 10AWG wire I have? Or some other trick you might have?

BTW my cable run is ~12 ft, maybe a little longer.

TIA for your thoughts!