Pro HQ 3.5mm Stereo Jack Plug to 2x 6.35mm Mono Plugs. NJS Premium Professional Audio Cable's are manufactured using Industry standard REAN connectors. These high quality 3.5 mm (Stereo Plug) to 2 x 6.35mm (1/4") (Mono Plugs) cables use extra flexible rubberised cable with a heavy duty Y splitter and are supplied with a Hook and Loop cable tidy.