Perfect for loudspeaker connections: 4-pole Speakon cable connector with chuck-type strain relief. The plugs feature PVC protection, good thickness, and effective shielding against noise. Precise quick lock system: Designed with an extremely precise locking mechanism and improved screw-type termination for maximum pull-out force, ensuring secure and user-friendly connections. Compatible: These connectors offer high adaptability and are compatible with Speakon NL4FC, NL4FX, NLT4X, and NL2FC connectors. Any 2 or 4 pin compatible: These socket connectors work with both 4-pin and 2-pin Speakon configurations. Strain relief is designed for 10 to 16 gauge AWG cables. Color: Blue Material: Plastic Package contents: 8 Audio cable adapters Only the above package content is included; other products are not included. Note: Lighting and display settings may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by up to +/- 1-3 cm.