4 pole female chassis connector, black-chrome metal housing, solder contacts. The speakON STX Series was especially designed for heavy duty amplifier-loudspeaker applications like professional touring. The extremely rugged and durable STX Series features an all metal housing.

Extremely robust metal housing designed for harsh and demanding environment
Ideal product for touring applications and harsh environments
Current rating 40 Amp continuous, 50 Amp audio with 50% duty cycle
Uses precise “Quick Lock” system
Mates with all currently available speakON products
Weatherproof built-in gasket meets IP 54 protection class in mated condition
4 pole version has UL Recognized components, CSA listed
4 type range - also male cable connector and female receptacle on 4-pole version