Spacing"/> Dual Operational Amplifiers, DIP-8/SOIC-8/TSSOP-8/VSSOP-8Audio Jack, 2 Poles (Mono / TS)"/> 2 pin Molex connector 2.54 mm spacing"/> 3d0ca7fdf6e2ad8d7864221e585c668e46544055 Update README.md 2cb8e5eaf679e30139948d8744800b04487466fc updated C5 footprint & tracing; schematic annotation update with full threaded nose and straight PCB pins, https://www.neutrik.com/en/product/nmj4hfd3 M Series, 6.35mm (1/4in) stereo jack, vertical PCB mount, https://www.neutrik.com/en/product/ncj6fi-h-0 Combo I series, 3 pole male XLR receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, additional ground contacts, https://www.neutrik.com/en/product/nc3mbv-e B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fah2-0 A Series.