PCB Mount 3.5mm 4 Pin Socket Stereo Jack Audio Video Connector PJ320D 6-100pcs | eBay
Delock Products 65459 Delock Headset Adapter 1 x 3.5 mm 4 pin Stereo jack female > 2 x 3.5 mm 3 pin Stereo jack male (CTIA pin assignment)
DELOCK 65673: Cable Stereo jack 3.5 mm 4 pin male > Stereo jack 2.5 mm 3 pin f at reichelt elektronik
Amazon.com: 3.5mm Male Stereo to 4-pin XLR Female Balanced Audio Adapter Hi-end Pcocc Silver Plated Cable : Electronics
Wholesale Audio Adapter 3.5mm 4pin Male to Dual 3.5mm 3pin Female Earphone & Microphone - Black from China | TVC-Mall.com
Hama Jack Adapter 4-Pin 3.5 mm Jack Plug 2x3.5 mm Jack Socket Black| Techinn
AUX Audio Connector Cable, 3.5 mm Stereo, 4-Pin, Slim, CU | Wentronic
Sennheiser 3.5mm Jack Plug Microphone Adapter To 4 Pin Hirose Audio Technica ATW | eBay
3.5 MM to 4-Pin DIN Adapter
3.5mm Headphone Stereo Audio Mic Y Splitter,Dual 3.5 mm Plug (Audio + Microphone) to 4 Pole Comob Jack Aux Adapter for 4 pin 3.5mm Plug Smartphone Earphone - Newegg.com
3.5 mm Audio Jack Connector PCB Mount Female Socket 4Pin PJ-320A 20pcs - Walmart.com