Speaker cable (entry-level, affordable-tier model in M&M Design's MS series)

High-purity oxygen-free copper conductor, 18AWG (approx. 0.8 sq mm)

2-conductor (positive/negative, color-coded red and black)

Insulation is a high-molecular polyolefin-based resin; PVC outer sheath rated to 75°C

Approx. 6.8mm diameter, round cross-section

Unshielded construction

For general car-audio speaker wiring; its round shape lets the red/black conductors be separated so they route easily through door-panel connector couplers on newer vehicles

Sold as a 50m roll, and also available cut-to-length in 1-meter increments (this base model represents a family sold in multiple lengths)