The utility model relates to a stranded conductor rotary extrusion type OK a karaoke club connector, cover is compressed tightly including outward, compress tightly set inside outward and inlay and have interior contact sleeve, compress tightly set middle part outward and be provided with polygonal water jacket, compress tightly set both sides outward and process respectively by outward to the helicitic texture of interior diameter gradual change increase, be provided with a set of outer holding -down sleeve nut on the helicitic texture, the inside processing of outer holding -down sleeve nuthas the gradual change internal thread, it has four groups to tighten up outer notch to compress tightly outward to put in to process, interior contact sleeve goes up processing has four groups to tighten up interior notch, tightens up outer notch and tighten up the inside groove oral sex to distribute by mistake, the utility model discloses the uneven easy stretch deformation of wire connection atress and the tensile strength that effectively solve air wire connection existence are poor, and the oxidation of working a telephone switchboard is serious, and contact resistance increases the scheduling problem that generates heat, defeated electrical safety of improvement and saving electric energy.