4 pole female cable connector, nickel housing, chuck type strain relief <br /><br />The new STX Series is the next generation of 4 pole speakON connectors especially designed for amplifier-loudspeaker applications in harsh and demanding environments such as professional touring. The extremely rugged and durable STX Series feature an all metal housing and a built-in gasket providing weatherproof protection to IP54. The 4 pole version is now available as 4 gender system including male cable and female chassis connector.