Labels Milestones
Back(1/4in) mono jack, switched, fully threaded nose, https://www.neutrik.com/en/product/nrj4hf Slim Jacks, 6.35mm (1/4in) jack receptacle, vertical pcb mount, https://www.neutrik.com/en/product/nlj2md-h speakON Combo, 2 pole chassis connector, grey D-size flange, self tapping screw holes (A-screw), vertical PCB mount, https://www.neutrik.com/en/product/nc3maah-0 AA Series, 3 pole XLR female receptacle with 6.35mm (1/4in) mono jack, switched, gold plated contacts, efficient chassis ground connection.