strange problem with a in ear earphone

djsolidsnake86

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May 12, 2022
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i have a pair of xiaomi mi noise cancelling earphone (3.5mm jack)
i want use this on my headphone amp (audio gd nfb 11.28)
i also have 6.3mm to 3.5mm adapter from a akg 371, the problem is that with this adapter i hear half sound on the xiaomi earphone (i also have another xiaomi earphones and same thing), and if connect to microusb the anc adapter i hear full sound, but with a background rustle.
i don't understand if the problem is an incompatibility wity my amp, or the adapter is the problem
what do you think?
 

Gray

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yours is a TRRS type because your earphones have a microphone.
That explains your issue.
The adaptor is a 3-pole connector.
Your plug is a 4-pole connector.

Your adaptor is not faulty - it's just not suitable for the TRRS plug.

Checkout the user guide of your headphones - see what it says about connection to standard (3-pole TRS) audio amplifiers.

TRS stands for Tip, Ring, Sleeve.
Compare your plug to the AKG one, you'll see it has an extra ring.
 
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djsolidsnake86

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May 12, 2022
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That explains your issue.
The adaptor is a 3-pole connector.
Your plug is a 4-pole connector.

Your adaptor is not faulty - it's just not suitable for the TRRS plug.

Checkout the user guide of your headphones - see what it says about connection to standard (3-pole TRS) audio amplifiers.

TRS stands for Tip, Ring, Sleeve.
Compare your plug to the AKG one, you'll see it has an extra ring.
for example this will work? https://www.amazon.it/gp/product/B07G52B2DW/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
 

djsolidsnake86

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May 12, 2022
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That explains your issue.
The adaptor is a 3-pole connector.
Your plug is a 4-pole connector.

Your adaptor is not faulty - it's just not suitable for the TRRS plug.

Checkout the user guide of your headphones - see what it says about connection to standard (3-pole TRS) audio amplifiers.

TRS stands for Tip, Ring, Sleeve.
Compare your plug to the AKG one, you'll see it has an extra ring.
the akg plug has 2 black lines, the xiaomi plug has 3 black lines
 

djsolidsnake86

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May 12, 2022
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That's more like it (y)

The socket on that has the necessary 4 poles for your plug.

If you go for that one, you might well find that the plugs come with insulating sleeves - so that the unused plug remains covered.......there will be instructions with that one.
there is audio quality degradation?
 

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