10Pcs PJ Series Headphone Jack 3.5mm 2.5mm Stereo Female Socket with Screw Video Audio Connector PJ-612A PJ-306M PJ392A PJ320D - AliExpress
Amazon.com: 3.5mm Female Connector Mono Jack 1/8" Inch w/Strain Relief Back Audio Phone Solder Terminal Metal Threaded Insert Black Plastic Handle 3.5 mm Mono Audio Phone Jack : Electronics