DC Barrel Power Jack/Connector - PRT-00119 - SparkFun Electronics
3.5MM Dual Plug (Audio+Mic) to Single Plug (Audio/Mic Combo) TRRS Adapter
SPT DC Power Female Jack Connector Pigtail for CCTV Camera (100-Piece/Pack) 93-PF11-100 - The Home Depot
Amphenol K-Series 3.5 mm 3-Pole Stereo Phone Plug Connector KS3P
DC Barrel Jack Adapter - Male - PRT-10287 - SparkFun Electronics
Panel Mount 1/8 / 3.5mm TRS Audio Jack Connector : ID 3692 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits
Headphone Jacks and Plugs: Everything You Need to Know - Headphonesty
Jex Electronics LLC > Connectors & Adapters > Stereo 3 Pole 6.35mm 1/4" Male Jack Headphone Repair Plug Audio Soldering
Amazon.com: RLECS 2pcs DC 5.5x2.1mm Male to Male Power Plug Connector & 2pcs DC 5.5x2.1mm Female to Female Power Jack Connector Adapter for CCTV : Electronics
3.5mm RCA Male to Bare Wire, TSV 2Pcs Replacement RCA Male Plug Jack Connector Adapter to Bare Wire, Open End Audio Video Stereo Speaker RCA Cable for Repair - 10ft - Walmart.com
1pcs 6.5mm Male 3.5mm Audio Stereo Jack Female 2 Rca Adapter Converter Charging - Connectors - Aliexpress
Headphone Jacks and Plugs: Everything You Need to Know - Headphonesty