Ancable 4-Pack TS Mono Male Plug 1/8" 3.5mm Solder Type DIY Audio Cable Connector: Amazon.co.uk: Electronics & Photo
3.5mm Audio Jack Connector, 3-pole Welding Type DIY Audio Cable Connector, KANGPING, for Repair and Replacement of DIY Stereo Headset(2-pack): Amazon.co.uk: Electronics & Photo