In-Wall Oxygen-Free Bare Copper Speaker Cable

• This  speaker wire is an ideal choice for connecting your loud speakers to an AV receiver or amplifier in a 2.1, 5.1, or 7.1 channel home theater system
• 20 Gauge ~1 Gauge
• 100m/drum
• Heavy gauge conductors are made of solid oxygen-free copper as opposed to copper clad aluminum (CCA) or copper clad steel (CCS) to resist corrosion and deliver pristine sound
• speaker cable has durable PVC jacket 
• Two conductors are jacketed with color-coded PVC for easy polarity identification
• Premium speaker cables wrapped around a plastic spool in the box for easy and convenient installation without kinks