Transparent PVC cable
Stranded conductor (7/34/0.115, strands/mm) x 2
Max current: 38A
Includes directional arrows to aid installation
+ circle outer core, - square outer core
Outer diameter: 4 x 8mm
2 x 2.5mm Transparent Twin Cable
100m Reel

From manufacturer: Highly durable, transparent PVC insulated twin speaker cable with oxygen free copper for a superior, crystal clear sound. For ease of connection each end has a different cross-sectional shape, one round and one square. The round wire is also imprinted with a continuous directional mark to aid installation.