do i need a differnt wire?

Question

do i need a different wire for in-wall speakers or a regular speaker wire

Answer 1

If you are installing in-wall wire, look for wire with CL3 or "in-wall" insulation.

The wire is not the issue, but the CL3 means the plastic insulation around the wire is fire-resistant and wont act like a fuse to spread a fire. Many fire codes require this.

Some of the "Carol" brand from Home Depot is CL3 rated or buy a spool of 12 ga from PartsExpress.

Answer 2

You will best be served by wire that is properly

shielded. There is specific wire designed to be

installed in-wall, and that is what I would suggest

for you to use for that application.
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Answer 3

Regular speaker wire will work for in-wall speakers.