My laptop has a combo headphone jack. When I plug a 4-pin headphone/earphone, it works fine, but when I plug in a 3-pin microphone, it doesn't work and no audio comes out.
Using Headphone Jack as Microphone: What You Need to Know | Headphonesty
Amazon.com: PC Headset with Separate Mic Microphone and Headphone Plugs to 3.5mm 4-Pole Male Plug Adapter (3.5mm Male 4 Pole to 2 3.5mm Female Mic/Headphone Jacks) by ienza® : Electronics
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MX 3.5mm EP Stereo Headset Mic Audio Y Splitter Joiner Cable with Two 3.5mm Female Input Mic & Audio Jack to Male Connector Audio mic Adapter - MX MDR TECHNOLOGIES LIMITED
Support.Creative.Com - Configure and Connecting Headphones to PC
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Can you use a microphone in a headphone jack? - Quora
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Product | StarTech.com 3.5mm Audio Extension Cable - Slim Audio Splitter Y Cable and Headphone Extender - Male to 2x Female AUX Cable (MUY1MFFS) - audio splitter - 20 cm
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Using Headphone Jack as Microphone: What You Need to Know | Headphonesty
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Amazon.com: Smays 3.5mm Microphone aux mic for Headphone Jack, Detachable Plug-in Microfono for Laptop PC Phone Conference : Electronics
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Using Headphone Jack as Microphone: What You Need to Know | Headphonesty
