Featuring an 8-pole chassis connector, nickel metal square G-size flange, and countersunk thru holes, the Neutrik NL8MPR Panel Mount Connector for SpeakON termination points is the standard connector for loudspeaker and amplifier interconnections. It features a metal locking system which only makes contact once the mechanism is fully locked. With its airtight design, glass-reinforced construction, and precise keyway, this speakON receptacle is quite robust and dependable.