... :DB25P/M 3.5mm stereo female 2.Cable:2C+D 2C 3.Quality:300v DC min. ... Insulation resistance: ≥ 5MΩ Min. D. Contact resistance: ≤ 5Ω Max E. ROHS or REACH.Various DB connector Specification1. ... 4 pole4. Shell: gold plated, Ni-plated. Cable of using usually specification A. 2C,3C,4C, ... 0.3m-25m (for optional) H. OD:2.5-15.0mm(for optional). Outer Molding A. Material:pvc ... . D-SUB 25P M TO 3.5 STEREO CABLE