REV Professional Audio  cable with Ningbo Neutrik connectors:  1/4” Mono Plug  to 1/4’’ Mono Plug  Unbalanced instrument Cable. Endless possibilities for use anywhere you need to transport a preamp audio signal,  microphones,  powered speakers and other electronic equipments.  These are Professional, shielded Flexible and Durable Noise Free Cables. Tour Serie. Length: 20ft