StarTech.com USB-C Headphone Splitter USB Type C Dual Headset Adapter w/Mic USB C to 3.5mm Adapter - USBC-AUDIO-SPLITTER - Audio & Video Cables - CDW.com
Icom Headset Adapter for A5 and A23
DELOCK 65459: Headset Adapter 3,5mm 4pol - 2x 3,5mm 3pol at reichelt elektronik
Amazon.com: daily headset QD USB Phone Headset Adapter Cable Compatible with Plantronics Quick Connect, Spk Volume Up Down Mic Mute Unmute in-line Controls : Electronics
Flight Sound X GA Headset to USB Adapter | Downunder Pilot Shop
StarTech.com USB C Audio & Charge Adapter - USB-C Audio Adapter w/ 3.5mm TRRS Headphone/Headset Jack and 60W USB Type-C Power Delivery Pass-through Charger - For USB-C Phone/Tablet/Laptop CDP235APDM | The Warehouse
Radio / Transceivers - Aviation & Pilot Supplies - Marinair Technology Limited
Delock Products 65344 Delock Headset Adapter 1 x 3.5 mm 4 pin Stereo jack male > 2 x 3.5 mm 3 pin Stereo jack female (OMTP)