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)
Lanxri Audio Input Cable For Arri Alexa Mini Right Angle 5 Pin Male To Dual Xlr 3 Pin Female | Fruugo UK
StarTech.com Headphone Splitter TTRS 3.5mm Hack Male to 2x 3.5mm Female Audio+Microphone LN89985 - MUYHSMFF | SCAN UK
StarTech.com 3.5mm 4 Position to 2x 3 Position 3.5mm Headset Splitter Adapter - F/M, 3.5mm, Male, 2 x 3.5mm, Female, 0.13 m, Black - Hunt Office UK
Headset adapter with headphone/mic plugs - Audio Cables and Adapters | StarTech.com United Kingdom
Arctic 4 x PWM Socket Fan Splitter 1 to 4
2 x 3.5mm 20cm Stereo Jack Audio Headphone Splitter Cable 1 x Male to 2 x Female - buymystuff.co.uk
StarTech.com 3.5mm 4 Position to 2x 3 Position 3.5mm Headset Splitter Adapter - F/M - 3.5mm headset Adapter Cable (MUYHSFMM), Black: Amazon.co.uk: Electronics & Photo
StarTech.com Headset adapter for headsets with separate headphone / microphone plugs - 3.5mm 4 position to 2x 3 position 3.5mm M/F, Black, 3.5 mm, 2 x 3.5 mm, Male, Female, Polyvinyl chloride (PVC) - Hunt Office UK