Neutrik Speakon 2 Pin Socket Chassis Small Square Flange

2 pole chassis connector. D-size flange. Does not intermate with the 4-pole cable connector.:::

Amplifier
Stereo (inHIFIin): one NL4MP socket left channel pins 1+/1- right channel pins 2+/2-
Power (inPA) Standard: three NL4MP sockets inAin socket: left channel pins 1+/1- inBin socket: right channel pins 1+/1-
Bridged mono: inMin socket: left channel pins 1+/1- right channel pins 2+/2-
BI-Amp: one NL4MP socket low frequency pins 1+/1- high frequency pins 2+/2-

Cable
Stereo (inHIFIin): NL4FC on amplifier end, four conductor cable splits into two pairs with NL4FC on each end
Power (inPA) Standard: a two-conductor cable for each channel with NL4FC on both ends
Bridged mono: a special two-conductor cable, on both ends wired to pin 1+/2+ of NL4FC
BI-Amp: a four-conductor cable on both ends wired to pins 1+/1-, 2+/2- of NL4FC

Speaker
Stereo (inHIFIin): one NL4MP per speaker left speaker pins 1+/1- right speaker pins 2+/2-
Power (inPA) Standard: NL4MP pin 1+ to speaker coil in+in NL4MP pins 1- and 2+ to speaker coil in-in
Bridged mono: NL4MP pin 1+ to speaker coil in+in NL4MP pins 1- and 2+ to speaker coil in-in
BI-Amp: one NL4MP socket low frequency pins 1+/1- high frequency pins 2+/2