I am using a Surface pro 6 that has one 3.5 mm head phone jack .

i want to use this jack for connecting external mic (Boya BYM1 Omnidirectional Lavalier ) and external Speaker (JBL GO)

Both mic and speaker has 3.5mm Jack. Both are working with 3.5 mm jack when connected independently. However i want to use both of them together.

I tried purchasing a audio splitter cable Splitter Link however found that speaker is working but mic is not.

What am i doing wrong ? Is there a specific device that i should purchase to make both the audio input and audio output work with Surface pro 3.5 mm jack.

  • You should buy a usb to microphone or speaker jack converter. It is possible that your laptop doesn't support microphone and audio in one jack. Apr 1, 2021 at 12:37

1 Answer 1


Inside the description of your Splitter Link I found this text:

Please note: This splitter can not support external mic.

I believe this explains the problem - the device is not suitable for your needs.

  • Is there a way to find out which splitter works . Most product descriptions in Amazon is confusing
    – NjnBat
    Apr 2, 2021 at 7:29
  • Sometimes the reviews help.
    – harrymc
    Apr 2, 2021 at 8:25

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