New FiiO M11S Player with dual ES9038Q2M DACs, 670mW output power and 14 hours of battery life

May 31, 2024 at 10:27 AM Post #646 of 682
I´m having some issues when streaming via Bluetooth (APT HD); it simply starts working fine, then after a few songs it goes wild with either song going at double speed or completely fails (full noise audio).

Tried changing the codec but same issue, not sure if there are any other relevant settings.

I´m using Apple Music, so I´m guessing something wrong with that... but never had issues streaming from other devices ...
 
May 31, 2024 at 11:42 AM Post #647 of 682
I´m having some issues when streaming via Bluetooth (APT HD); it simply starts working fine, then after a few songs it goes wild with either song going at double speed or completely fails (full noise audio).

Tried changing the codec but same issue, not sure if there are any other relevant settings.

I´m using Apple Music, so I´m guessing something wrong with that... but never had issues streaming from other devices ...
I had the same issue and it’s resolved by turning off the onboard equaliser.
 
May 31, 2024 at 12:25 PM Post #648 of 682
It’s already off for me.

Not sure yet but the issue didn’t happen now when charging… happening a lot on low battery (battery saving disabled).

Maybe Android restricting something on the app to work correctly when low on battery?!
 
Jun 4, 2024 at 3:24 AM Post #649 of 682
It’s already off for me.

Not sure yet but the issue didn’t happen now when charging… happening a lot on low battery (battery saving disabled).

Maybe Android restricting something on the app to work correctly when low on battery?!
Dear friend,

Hi, you may try to charge the M11S when it is in low battery level. We will also check whether we could reproduce the same issue first.

Best regards
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
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Jun 5, 2024 at 12:29 AM Post #651 of 682
Dear friend,

Hi, you may try to charge the M11S when it is in low battery level. We will also check whether we could reproduce the same issue first.

Best regards
Absolutely, charged and removed any battery optimization and restriction on the background apps, still having the issue.

Will have to test if changes in Developer Settings make a difference.
 
Jun 5, 2024 at 3:14 AM Post #652 of 682
Absolutely, charged and removed any battery optimization and restriction on the background apps, still having the issue.

Will have to test if changes in Developer Settings make a difference.
Tried switching in developer settings bitrate to System Default but it keep switching automatically to 48khz… while songs are 44khz.

Seems the system sets the wrong bitrate which causes the music to either speed up or producing noise.
 
Jun 6, 2024 at 12:26 AM Post #654 of 682
Dear friend,

Hi, you may try to charge the M11S when it is in low battery level. We will also check whether we could reproduce the same issue first.

Best regards
Did more testing and it seems the issue happens when the music (lossless mode with variable bitrate ) is stored on the device via cache or downloaded.

During first steaming works fine, once stored on the device there is the issue.

It does not happens with normals quality (AAC) during steaming or downloaded.

To recap; Lossless audio on Apple Music cannot be downloaded or stored as cache as the Bluetooth connection does not correctly manage the bitrate of each song.


Regarding the codecs it seems to appear in Apt, AptHD and AAC; LDAC works fine.
 
Last edited:
Jun 14, 2024 at 3:57 AM Post #655 of 682
Did more testing and it seems the issue happens when the music (lossless mode with variable bitrate ) is stored on the device via cache or downloaded.

During first steaming works fine, once stored on the device there is the issue.

It does not happens with normals quality (AAC) during steaming or downloaded.

To recap; Lossless audio on Apple Music cannot be downloaded or stored as cache as the Bluetooth connection does not correctly manage the bitrate of each song.


Regarding the codecs it seems to appear in Apt, AptHD and AAC; LDAC works fine.
Dear friend,

Hi, the engineer has reproduced this problem. We will try to fix it in later firmware update. We apologize for any inconvenience in the meantime!

Best regards
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Jul 6, 2024 at 3:36 PM Post #656 of 682
@FiiO

I sent an email to the folder with the log containing the data from my FiiO M11S that I generated shortly after the FiiO Music app crashed. The problem occurred on July 6, 2024 (FiiO M11S firmware is updated to the latest version). The problem appears to have occurred after starting a track with a higher sample rate.
 
Jul 7, 2024 at 3:40 AM Post #657 of 682
Hi M11S owners,

I'm looking for a DAP with a good parametric EQ for playing music in FLAC from a microSD card. Does M11S has it in Pure mode? As I understand M11S had some basic graphic EQ only when released. Do the latest firmaware updates provide a fully fledged PEQ?
 
Jul 11, 2024 at 5:01 AM Post #659 of 682
@FiiO Is there a parametric EQ available in FiiO Music app in M11S or M11 Plus player? I just downloaded Fiio Music app on my iPhone to check and there's only graphic EQ.
Dear friend,
Hi, yes, Android version FIIO Music app supports PEQ.
Best regards
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Jul 29, 2024 at 7:40 AM Post #660 of 682
Hello, my question is how to put the device into deep sleep. Does the Enter Sleep application put it into deep sleep? As far as I can see, there is no airplane mode. Is it enough to turn off wi-fi and bluetooth?
TIA
 

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