1. High- Construction: The 4Pin Connector Female Jack Socket NL4 Power Jack is designed with durable materials to ensure 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 audio connectors are ideal for use with loudspeakers and amplifiers, allowing for seamless integration into various sound systems, ensuring high- 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.