15ft MM4 extension cable with female EN3 2 pole connector on one end and male EN3 2 pole in-line connector on the other. SPEN cords are designed for use with Meyer Sounds MM-4 speakers and utilize 2-pole EN3 water-resistant connectors. Manufactured in a variety of standard lengths, SPEN cords are available in both link and extension cable configurations. Each assembly features two 16-gauge, 26-strand conductors in a round, matte-finish flexible jacket to deliver high-quality speaker level signals with minimal signal loss. SPEN assemblies are also available with Neutrik speakon NL4 connectors.