Axiom Home Page Forums General Discussion Advice from Axiom Owners speaker wire runs in a new house

I don't think I have ever seen a specific sub cable for in wall use and no you can't joint hem unless in an accessible junction box. I think you could just use RG - 6 coax cable for your sub cable and then termminate it at the box with an F type to RCA adapter in a wall plate.

Plates to come after drywall finished and painted.