perfect for Loudspeaker Connections: 4 pole speakon cable connector, chuck type strain relief. The plugs has PVC protection, good thickness and good shielding noise._x000D_ Precise Quick Lock System: Designed with extremely precise locking system, improved screw-type termination for highest pull-out force, making it more user-friendly._x000D_ Compatible: These connectors are with high adaptability, compatible with for speakon NL4FC, NL4FX, NLT4X, NL2FC._x000D_ Any 2 or 4 Pin Compatible: These Socket Connectors can Work in Any 4-Pin or 2-Pin Speakon, stress relief designed for 10 to 16 gauge AWG cables._x000D_ _x000D_ Colour:blue_x000D_ Material:plastic_x000D_ _x000D_ Package Contents:_x000D_ 8 * Audio Cable Adapter_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_