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wreeve
Paper Tape
Posts: 3
Location: US
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Message 1 of 2

Audio combo jack vs headphone/earphone with mic and speaker connector

How is the microphone jack on the front panel wired? I was told this jack works as Microphone and LINE IN. Is the jack a 3-pole stereo jack or 4-pole jack? If it is 4-pole, does it comply with CTIA standard wiring (Ring2 is common and Sleeve is microphone)?

Community Moderator
Community Moderator
Posts: 2,349
Location: US
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Message 2 of 2

Re: Audio combo jack vs headphone/earphone with mic and speaker connector

I'm assuming it's your M900 Tiny 10FM?   According to the detailed specs, it has:   "one microphone (stereo, 3.5mm), one headphone / microphone combo jack (stereo, 3.5mm)".   My limited understanding of the (4-pole) combo jack is that there's one common standard that headphone/mic combos, and adapters that break it out to 2x 3-pole connectors (one for mic, one for headphone/speakers), use.   That is what is used here. 

 

f-m900 front mic ports.png

 

f-m900 t-front pic.png

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