Don
I just googled this. Is it really £4,000 a metre for speaker cable?!
Rewind a few pages....
https://www.amazon.co.uk/DCSk-10-transparent-loudspeaker-insulated-Transparaent/dp/B00KB0BJFO ?
That's what I've used in the past without issue
* Probably not as good as the fancy zero oxygen braided unicorn hair that some use