The NLT4FX is a 4-pole Female Cable Connector with nickel housing, chuck type POM strain relief, quick latch locking device and silver-plated brass contacts. It has polyamide insert, zinc die-cast shell and zinc die-cast locking element. This speakON STX series cable mount connector is especially designed for heavy duty amplifier-loudspeaker applications like professional touring. The extremely rugged and durable connector features an all metal housing and a built-in gasket providing weatherproof protection to IP54 in mated condition.