[FiiO M17] Dual ES9038PRO, dual THXAAA-788+, dual power supplies, 9200mAh battery, 2 volume control modes
Jun 5, 2022 at 10:23 PM Post #4,051 of 5,690
Finally able to get the m17 setup while masking the wires and power conditioner. My wife got sick and tired of looking at the cables. Haha.
 

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Jun 5, 2022 at 10:28 PM Post #4,052 of 5,690
My photos of the case above. Not bad for about $24 delivered. It fits the 7Hz Timeless in their case, the EIR-Z1Rs and the DAP under the divider.
Pretty nice. You didn’t like the stock cable on the Z1Rs?
 
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Jun 5, 2022 at 10:31 PM Post #4,053 of 5,690
Finally able to get the m17 setup while masking the wires and power conditioner. My wife got sick and tired of looking at the cables. Haha.
Nice!
 
Jun 5, 2022 at 10:35 PM Post #4,054 of 5,690
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Jun 6, 2022 at 2:07 AM Post #4,055 of 5,690
Unless people start giving actual temp readings with some type of measuring device while noting ambient temp, I don't think anyone can conclusively say what's "warm" versus "hot". I worked in a restaurant in my younger days and still cook a lot now but my wife swears I still have asbestos covered hands because what she considers "scorching" by touch, I feel is "warm".
You can download "Aida64" app from Google Play store and this app shows battery internal actual operating temp while playing music in the background.

When playing music from Tidal via Uapp I get 38-40c internal battery temperature with Focal Clear SE at volume level 70-80 Over Ear Mode. External housing temp feels a bit higher while holding in hand it gets really hot sometimes, but I think that is happening because of proper heat dissipation inside. So while external housing could get really hot sometimes, internal battery temp stays at acceptable, much lower temperature levels.
 

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Jun 6, 2022 at 7:36 AM Post #4,056 of 5,690
You can download "Aida64" app from Google Play store and this app shows battery internal actual operating temp while playing music in the background.

When playing music from Tidal via Uapp I get 38-40c internal battery temperature with Focal Clear SE at volume level 70-80 Over Ear Mode. External housing temp feels a bit higher while holding in hand it gets really hot sometimes, but I think that is happening because of proper heat dissipation inside. So while external housing could get really hot sometimes, internal battery temp stays at acceptable, much lower temperature levels.
Interesting
 
Jun 6, 2022 at 9:16 AM Post #4,057 of 5,690
yes indeed and thanks again for the reminder. i read quite a lot of news reporting power banks or phones went on fire spontaneously but my impressions is most of such cases are about devices been used for some times and fairly rare for relatively new devices (except the note 7 design issue). i don't have a protection bag in hand so can just put it aside and hope it's not going to be that bad :sweat:
just to report that the local agent replaced the battery and my m17 is up and running again :)

happy enjoying with ie900 in low gain now
 

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Jun 7, 2022 at 1:40 PM Post #4,061 of 5,690
I have installed the following android music players on my M17:
- USB Audio Player Pro (UAPP)
- Neutron Music Player
I can say without any doubt, to my ears that both are giving me better audio quality than the FIIO music app, and this is by a huge margin. The Neutron app has that feature that allows one to convert all to DSD, and supports DSD128 and DSD256. However the internal CPU of the M17 can't handle the PCM to DSD256 conversion , but it handles DSD128 without any issue. The sound quality of both UUAP and Neutron is quite similar to my ears. I love both.
 
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Jun 7, 2022 at 3:29 PM Post #4,062 of 5,690
I have installed the following android music players on my M17:
- USB Audio Player Pro (UAPP)
- Neutron Music Player
I can say without any doubt, to my ears that both are giving me better audio quality than the FIIO music app, and this is by a huge margin. The Neutron app has that feature that allows one to convert all to DSD, and supports DSD128 and DSD256. However the internal CPU of the M17 can't handle the PCM to DSD256 conversion , but it handles DSD128 without any issue. The sound quality of both UUAP and Neutron is quite similar to my ears. I love both.
Of course it handles it. It handles it well. First make sure you are updated to the latest Neutron app. Then make sure 64 bit AND Multithreading is enabled. Works flawlessly for me.
 
Jun 7, 2022 at 5:02 PM Post #4,063 of 5,690
Of course it handles it. It handles it well. First make sure you are updated to the latest Neutron app. Then make sure 64 bit AND Multithreading is enabled. Works flawlessly for me.
Wow!! Thanks a lot. Yes, with your suggested setting changes, I am now playing PCM->DSD256 smoothly. Excellent!!!
That's why, I freaking love this forum!!!!
 
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Jun 7, 2022 at 8:45 PM Post #4,064 of 5,690
I have installed the following android music players on my M17:
- USB Audio Player Pro (UAPP)
- Neutron Music Player
I can say without any doubt, to my ears that both are giving me better audio quality than the FIIO music app, and this is by a huge margin. The Neutron app has that feature that allows one to convert all to DSD, and supports DSD128 and DSD256. However the internal CPU of the M17 can't handle the PCM to DSD256 conversion , but it handles DSD128 without any issue. The sound quality of both UUAP and Neutron is quite similar to my ears. I love both.
Would be so kind as to educate me why these two apps are so much better? I’m just learning. And how do you get your Qobuz playlists in them?
 
Jun 7, 2022 at 9:16 PM Post #4,065 of 5,690
Would be so kind as to educate me why these two apps are so much better? I’m just learning. And how do you get your Qobuz playlists in them?
From a sound quality standpoint, as per my ears, these two apps sound better than the FIIO (it is not even arguable). Per the developers of these two apps, their applications
bypass the internal audio processing engine of the Android OS to prevent any resampling by Android in order to send bit-perfect audio directly to the audio hardware( DAC) of the device. It is a known issue that Android resamples audio to 48KHz, and it is limited to 48Khz. They are not using the android audio API but their own. This is similar to what ASIO does on a windows platform in order to work around the known bit mangling issue of the windows OS internal audio mixer.
 

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