C&E 100 Feet 16AWG CL2 Rated 4-Conductor Loud Speaker Cable (For In-Wall Installation) 99.99% Oxygen Free Copper 16 Awg 4 Conductor 100ft Pro Spool CL2 Rated In Wall/Ceiling Applications Pro-Installer Series Flexible No Kink Jacket Exceptional performance, sound quality for professional speaker and audio connections