This wire meets your criteria/price - but cheque to make sure thay can provide the length you need
- UP-OCC speaker cable
- I have purchased from Enjoyhifi and they are timely and their products are as advertized
This wire is made from UP-OCC copper, which provides the very best dynamic performance - noticeably better than OFC wire
You can use a connector like this one
- https://www.partsconnexion.com/AECO-88086
- you will need two sets
- You can choose between soldering or clamping
I perfer these, but they do need soldering
- https://www.partsconnexion.com/KLEI-83432.html
- you will only need ONE set
- Here’s my review - I show how to solder them
- http://image99.net/blog/files/tag-banana-plugs.html
Either of these are superior to bare wire connections.
Regards - Steve