GLS Audio Speaker Plug Adapter 1/4" to Twist Lock 4 Pole & 2 Pole - Compatible with Neutrik Speakon NA4LJ, NA4LJX, NL4MP, NL4MPR, NL4FC, NL4FX, NL4 & NL2 Series, NL2FC, Speak-On - 2 PACK Neutrik Speakon Compatible 2 Pack for added savings GLS Audio High Quality Guarantee Original Neutrik Design Specifications High Quality Material Manufacturing