1/4'' 2-pole right angle bell connector. The characteristic sound of a guitar is influenced to some extent by the instrument cable used. Particularly, the natural electrical properties of guitar cables cause the characteristic tone of the cable. Neutrik's timbrePLUG provides the ability to change the timbre of your guitar sound, from a neutral, clear sound to warm characteristics in 4 steps, by turning a knob on the connector. A wide range of new sounds open up. As brilliant as they are simple.