Connects devices with L/R output jacks (connect the 2RCA/RCA plugs to the output port and the 3.5mm plug to the input port). 1-to-2 Audio Cable (2RCA) x 1/2/3/4/5/6/8/10/20/30/40/50. ✔️ Pure Copper Conductors: High-quality copper core ensures clear, distortion-free audio transmission with minimal signal loss.