Professioneller Universal: The clamping sleeve of the speakon cable connector is suitable for cables with a diameter of 6-15mm. We believe because of the performance the speaker plugs will be definitely your best choice 30A : The speaker cables head has 30A continuous rated . And we are the feature of the audio cable connector will draw your attention greatly Locking System Design: The audio cable connector is designed with extremely precise locking system, which improves screw-type termination for highest pull-out force. And this locking system design make the NL4FC speakon Cable Connector more humanized and easy to operate Good Conductivity: The NL4FC speaker connector adopts the design of copper-plated contacts, which has conductivity, and this performance can make you feel at ease about the speaker plugs and meet your needs greatly Waterproof Plug: The audio cable connector adopts NL4FC waterproof speaker plug which is more to . And we are you will feel assured of the speaker cables head because of the steady function.To you are purchasing the part, please check the details for compatibility before ordering. Colour:black+blue Material: alloy Package Contents: 10 x Cable Connector Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.