1. High-Quality Construction: The 4Pin Connector Female Jack Socket NL4 Power Jack is designed with materials to reliable performance for your audio needs, making it perfect for professional applications. 2. Secure Locking Mechanism: Each NL4 connector features a robust locking mechanism that guarantees a secure connection, preventing accidental disconnections during performances or events. 3. Versatile Compatibility: These are ideal for use with loudspeakers and amplifiers, allowing for seamless integration into various sound systems, ensuring high-quality audio transmission. 4.Easy Installation: The user-friendly design of the 4Pin Connector makes installation straightforward, enabling quick setup and teardown for any sound system configuration. 5. Cost-Effective Solution: This package includes 10 connectors, providing excellent value for professionals and enthusiasts alike, ensuring you have enough connectors for all your audio equipment needs. Colour:Black Material:plastic Package Contents: 10PCS x 4Pin Connector Only the above package content, other products are not included. Note: Light reflection 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.