Headset Splitter 4 Pin to 2x 3 Position - Audio Cables and Adapters
StarTech.com Slim Stereo Splitter Cable - 3.5mm Male to 2x 3.5mm Female - MUY1MFFS - -
2 Way 204 Distributor Signal Splitter Connector Catv Coaxial Cable Splitter 1 In 2 Out F-type Connector Cable Tv Signal Splitter - Connectors - AliExpress