FiiO K9 Pro Hi-Fi DeskDop DAC&Bluetooth&Amplifier,XLR/RCA/4.4/Optical/Coaxial interface
May 3, 2022 at 10:12 PM Post #1,621 of 2,219
This is a known issue that many users have reported. Look at my previous posts for more context.
This problem we have made some efforts before, It's only appears on the AKM version
That is the new B.18 version, but the effect is not particularly satisfactory, Our engineering still working to see if there is a better solution
 
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May 3, 2022 at 10:14 PM Post #1,622 of 2,219
@FiiO and @FiiO Willson, after months of use, I'm still getting the very annoying clicks/pops on playback with my Fiio K9 Pro AKM version. This happens when the volume is in approximately the 11 o'clock to 1 o'clock range. Any word on a fix for this? I'm running firmware revision vB.18.

If there is no fix in the works, is this issue covered by your warranty?
This problem we have made some efforts before, It's only appears on the AKM version
That is the new B.18 version, but the effect is not particularly satisfactory, Our engineering still working to see if there is a better solution
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
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May 6, 2022 at 1:55 PM Post #1,623 of 2,219
@FiiO team, any estimated time when next firmware update is coming for the K9 Pro ESS?
Thank you
 
May 6, 2022 at 2:05 PM Post #1,624 of 2,219
This problem we have made some efforts before, It's only appears on the AKM version
That is the new B.18 version, but the effect is not particularly satisfactory, Our engineering still working to see if there is a better solution
Thanks for the response. Do you know what causes this issue? People have been worried about the thermal threshholds of the AKM device since it does not have ventilation holes like the ESS version. Could this issue arise due to improper thermal control?
 
May 6, 2022 at 2:49 PM Post #1,625 of 2,219
On my AKM K9 Pro, I stopped using the front standby button to power down because it will randomly turn itself back on. This has happened several times. Now I just use the rear power switch instead. Seems like the "standby" mode needs some tweaking.
 
May 6, 2022 at 2:52 PM Post #1,626 of 2,219
On my AKM K9 Pro, I stopped using the front standby button to power down because it will randomly turn itself back on. This has happened several times. Now I just use the rear power switch instead. Seems like the "standby" mode needs some tweaking.

I haven't experienced that issue with my AKM version. It's been problem free so far.
 
May 6, 2022 at 2:55 PM Post #1,627 of 2,219
Is this switching between wired sources or from wires to Bluetooth? I would assume the Bluetooth source pauses the audio playback when it loses connection. Did not experience the audio cutting out till reboot issue.
Not even switching from wire to bluetooth. I run everything through my PC, so when I swap sources from Tidal to You Tube sometimes, or from my PC speakers, the unit will stop pushing music and go silent. Then, I would have to reset the unit to get audio back. It's a huge annoyance for me. Which is why I decided to return it

Yea apos has been known to provide good service, very surprised about the restocking fee, especially when there are known issues with the k9, i deal with constant pauses during play back. I just overlook the issues because i can’t find anything else that sounds better within my budget.

Yeah, I am pissed off at Apos. They have a 45 day return policy, but since I went over the "14 days" they are charging me a 20% restocking fee. Their response was "Even if the unit was defective, you didnt report it before the 14 days" --- so tldr.... unit defective, pass 14 days (even though return policy is 45 days) --- we're gonna take 20% from you. Regardless, their customer support has been very lack luster, and I will prob never purchase from Apos again.
 
May 6, 2022 at 4:47 PM Post #1,628 of 2,219
Not even switching from wire to bluetooth. I run everything through my PC, so when I swap sources from Tidal to You Tube sometimes, or from my PC speakers, the unit will stop pushing music and go silent. Then, I would have to reset the unit to get audio back. It's a huge annoyance for me. Which is why I decided to return it



Yeah, I am pissed off at Apos. They have a 45 day return policy, but since I went over the "14 days" they are charging me a 20% restocking fee. Their response was "Even if the unit was defective, you didnt report it before the 14 days" --- so tldr.... unit defective, pass 14 days (even though return policy is 45 days) --- we're gonna take 20% from you. Regardless, their customer support has been very lack luster, and I will prob never purchase from Apos again.
Abit late but is tidal in exclusive mode did you press stop on tidal before closing. Sounds like a zombie hook issue where the K9 pro is still expecting data from tidal and rejecting everything else.

@FiiO Willson its not the best solution but is it possible to force release and make available via the driver or some software?
 
May 8, 2022 at 9:58 PM Post #1,629 of 2,219
@FiiO team, any estimated time when next firmware update is coming for the K9 Pro ESS?
Thank you
Dear friend,

No, are there any new feature you would like to add for the K9Pro ess?

Best regards
 
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May 8, 2022 at 10:04 PM Post #1,630 of 2,219
Dear friend,

No, are there any new feature you would like to add for the K9Pro ess?

Best regards
Fixes for this no sound issue when using tidal would be appreciated. I’ve returned my unit as well as others until this issue is resolved.
 
May 9, 2022 at 5:35 AM Post #1,631 of 2,219
If the k9 had a remote, it could be my ending device. I doubt it can be implemented through a firmware update...
 
May 9, 2022 at 8:19 AM Post #1,633 of 2,219
Yeah and k9 do have have remote with limited fucntion through Bluetooth but it only works when the K9 is in Bluetooth mode, else its use less
No, the Bluetooth is a Low power Bluetooth that is constantly working, so you can make your adjustments at all input modes.
 
May 9, 2022 at 8:57 AM Post #1,635 of 2,219
Hi K9 users. Do you guys have any experience using parametric EQ with K9 either through audirvana or Roon?
Does that introduce any noise or jitter?
 

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