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. Termination No suffix = solder termination or ¼" flat tabs (termination e.g. with Faston tab Tyco part # 41829) V = vertical pcb mount, straight pins Front and rear panel mount Panel fastening Standard: Countersunk mounting holes to accept M3 bolts PCB mount: Self-tapping PLASTITE* screw with thread 2.9x1.06 and of tri-rondular configuration (A-screw) - PLASTITE is a registered trademark of SFS Unimarket