this post was submitted on 26 Nov 2023
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Headphones

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A bit surprised that Bluetooth connection sound better than wired connection (alien.top)
submitted 11 months ago by Big-Percentage-8432@alien.top to c/headphones@hi-fi.community
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I have a headset that supports bluetooth and 3.5 jack. To my surprise the audio quality is better when using bluetooth and poor when using wire to the same source. I have also tried using USB-C cable but still bluetooth sounded better. By sound better I mean the audio is more louder and richer. How is it wireless blueooth offers superior quality than wired connection? Can this be expected?

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[–] Simeras@alien.top 1 points 11 months ago (1 children)

It's probably the DSP. It can do it's magic given a digital signal, while being bypassed (on most BT headphones, so you could still use them with a dead battery) with an analog signal.

[–] attlo996@alien.top 1 points 11 months ago

But he says that even in USB them sounds worse than bluetooth. And USB still uses the DSP. So this might not be the case.

[–] Fighterboy89@alien.top 1 points 11 months ago (1 children)

Might be the amps. Some phones have crappy audio circuits.

[–] theintention@alien.top 1 points 11 months ago (1 children)

this is the correct answer, your bluetooth probably has a better amp/dac circuit than your phone does. a dongle would be a better comparison point than straight to the phone.

[–] Expensive_Bluejay_30@alien.top 1 points 11 months ago

Trying to make dongle comparison with headphones is solid point.

[–] Expensive_Bluejay_30@alien.top 1 points 11 months ago

Is the Bluetooth connection using headphones dac/amp and wired is not?