3.5MM Dual Plug (Audio+Mic) to Single Plug (Audio/Mic Combo) TRRS Adapter
Plugable USB Audio Adapter – Plugable Technologies
3.5mm (1/8 inch) to XLR Cable (10FT) Male to Female TRS Stereo Headphone AUX Audio Jack Plug Converter Wire Cord for Laptop, Tablet, Audio Equipment - Walmart.com
Rca Audio Plug, Av Male Stereo Gold Plated With Coaxial Spring Solderless Audio Adapter For Transfer Between Audio Hardware Interfaces (4-pack) Starli | Fruugo US
3.5mm (1/8) Stereo Audio Plug Terminal Block : ID 2790 : $2.50 : Adafruit Industries, Unique & fun DIY electronics and kits