The STX Series is the next generation of 4 and 8 pole Speakon connectors especially designed for heavy duty amplifier-loudspeaker applications like professional touring. The extremely rugged and durable STX Series features an all metal housing and the 4 pole version 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.