What Is a Cl2 Speaker Wire?
Depending on the speaker wire you are buying it is important to buy in-wall rated speaker wire. Also, depending on the manufacturer you may see CMR, CL2 or CL3 rated speaker wires. All our ideal for in-wall speaker wire installations. CMR really supersedes them all. A CMR rated speaker wire can be installed in both residential and commercial riser applications. YES. It is important to choose the right speaker wire to support your installation.