Wiim Amp Popping Sound After 30-60 Seconds of Silence.

W

Whimsical5518

Member
Joined
Mar 1, 2024
Messages
5
So I bought the WiiM Amp specifically for my WFH office setup, which is connected to 2 Windows computers and a Mac that I cycle through depending on what I am doing. Two computers use a DAC (USB from computer to DAC, then from DAC to optical to WiiM), and the 3rd is a direct line-in to the Amp, which all works well, especially with the auto line/optical sensing feature. The amp is connected to a set of Klipsch RP-600M and a single RSL Speedwoofer 10S MKII, which sounds amazing.

However, I am having a serious issue that is driving me nuts, and I wanted to know if anyone else is experiencing this. (I already opened a ticket and supplied all this information about three weeks ago, and WiiM support stated that they are working on it)

The problem is that the WiiM amp seems to go into suspense or standby mode after 30-60 seconds of silence. In the app, standby is set to 1hr. To be clear, the amp is not technically going into a full standby, but it is doing something when no audio is played for 30-60 seconds.

This is what happens, and this is true for all computers connected via optical or line-in.
  • I'm watching a YouTube video.
  • I pause the video, and then after 30-60 seconds, I hear a popping sound from the speakers (as if the input was changed). NOTE: only one computer is on at a time.
  • A notification comes in, and there is a 2-3-second delay before I hear it.
  • 30-60 seconds after another popping sound, like I described above.
  • I try to play Tidal or YouTube, and there is a 2-3-second delay before I hear the audio.
  • I pause the audio, and it repeats the popping, as stated above.
The popping occurs every single time there is silence for 30-60 seconds, so if I get an email every 5 minutes, I get popping constantly, which is what's driving me crazy. I don't know if the amp is killing power to the speakers or killing the input signal, but it's extremely distracting, especially when I need silence while working on something.

For shits and giggles, I disconnected all physical inputs from the amp and connected my phone via Bluetooth, then Tidal over WiFi, and it did the same thing both times.

I then swapped out the WiiM Amp for the Fosi ZA3 amp connected to my DAC, and there was no popping. Also, I did not get any popping with my NAD C388 either while connected to the same DAC and computers.

I don't know what the Wiim Amp is doing, and I don't know if this is just my amp or if this issue is happening to others, too, so any feedback would be greatly appreciated.
 
Whimsical5518 said:
So I bought the WiiM Amp specifically for my WFH office setup, which is connected to 2 Windows computers and a Mac that I cycle through depending on what I am doing. Two computers use a DAC (USB from computer to DAC, then from DAC to optical to WiiM), and the 3rd is a direct line-in to the Amp, which all works well, especially with the auto line/optical sensing feature. The amp is connected to a set of Klipsch RP-600M and a single RSL Speedwoofer 10S MKII, which sounds amazing.

However, I am having a serious issue that is driving me nuts, and I wanted to know if anyone else is experiencing this. (I already opened a ticket and supplied all this information about three weeks ago, and WiiM support stated that they are working on it)

The problem is that the WiiM amp seems to go into suspense or standby mode after 30-60 seconds of silence. In the app, standby is set to 1hr. To be clear, the amp is not technically going into a full standby, but it is doing something when no audio is played for 30-60 seconds.

This is what happens, and this is true for all computers connected via optical or line-in.
  • I'm watching a YouTube video.
  • I pause the video, and then after 30-60 seconds, I hear a popping sound from the speakers (as if the input was changed). NOTE: only one computer is on at a time.
  • A notification comes in, and there is a 2-3-second delay before I hear it.
  • 30-60 seconds after another popping sound, like I described above.
  • I try to play Tidal or YouTube, and there is a 2-3-second delay before I hear the audio.
  • I pause the audio, and it repeats the popping, as stated above.
The popping occurs every single time there is silence for 30-60 seconds, so if I get an email every 5 minutes, I get popping constantly, which is what's driving me crazy. I don't know if the amp is killing power to the speakers or killing the input signal, but it's extremely distracting, especially when I need silence while working on something.

For shits and giggles, I disconnected all physical inputs from the amp and connected my phone via Bluetooth, then Tidal over WiFi, and it did the same thing both times.

I then swapped out the WiiM Amp for the Fosi ZA3 amp connected to my DAC, and there was no popping. Also, I did not get any popping with my NAD C388 either while connected to the same DAC and computers.

I don't know what the Wiim Amp is doing, and I don't know if this is just my amp or if this issue is happening to others, too, so any feedback would be greatly appreciated.
Click to expand...
Yes, my WiiM amp (PCB 5) has the same problem as yours. As you know, @WiiM Support already knows that.

Perhaps the only thing we can do is wait for these issues to be fixed, or return the WiiM amp.

I'm waiting for the @WiiM Team to solve this.
 
Wiimer said:
Yes, my WiiM amp (PCB 5) has the same problem as yours. As you know, @WiiM Support already knows that.

Perhaps the only thing we can do is wait for these issues to be fixed, or return the WiiM amp.

I'm waiting for the @WiiM Team to solve this.
Click to expand...
Thanks for confirming I’m not crazy. I honestly have no plans on returning it as it does everything I need and then some. Just need that single issue fixed. I also have a backup to fall back on while they sort things out.
 
It indeed goes into the lower power consumption level regardless of the standby setting with the current FW. In this mode the power amp function is basically switched off, so the transitioning might produce unwanted pop sounds.
 
onlyoneme said:
It indeed goes into the lower power consumption level regardless of the standby setting with the current FW. In this mode the power amp function is basically switched off, so the transitioning might produce unwanted pop sounds.
Click to expand...
Thanks for the clarification and it makes a lot of sense. I hope WiiM fixes this soon with a new firmware update.
 
Whimsical5518 said:
So I bought the WiiM Amp specifically for my WFH office setup, which is connected to 2 Windows computers and a Mac that I cycle through depending on what I am doing. Two computers use a DAC (USB from computer to DAC, then from DAC to optical to WiiM), and the 3rd is a direct line-in to the Amp, which all works well, especially with the auto line/optical sensing feature. The amp is connected to a set of Klipsch RP-600M and a single RSL Speedwoofer 10S MKII, which sounds amazing.

However, I am having a serious issue that is driving me nuts, and I wanted to know if anyone else is experiencing this. (I already opened a ticket and supplied all this information about three weeks ago, and WiiM support stated that they are working on it)

The problem is that the WiiM amp seems to go into suspense or standby mode after 30-60 seconds of silence. In the app, standby is set to 1hr. To be clear, the amp is not technically going into a full standby, but it is doing something when no audio is played for 30-60 seconds.

This is what happens, and this is true for all computers connected via optical or line-in.
  • I'm watching a YouTube video.
  • I pause the video, and then after 30-60 seconds, I hear a popping sound from the speakers (as if the input was changed). NOTE: only one computer is on at a time.
  • A notification comes in, and there is a 2-3-second delay before I hear it.
  • 30-60 seconds after another popping sound, like I described above.
  • I try to play Tidal or YouTube, and there is a 2-3-second delay before I hear the audio.
  • I pause the audio, and it repeats the popping, as stated above.
The popping occurs every single time there is silence for 30-60 seconds, so if I get an email every 5 minutes, I get popping constantly, which is what's driving me crazy. I don't know if the amp is killing power to the speakers or killing the input signal, but it's extremely distracting, especially when I need silence while working on something.

For shits and giggles, I disconnected all physical inputs from the amp and connected my phone via Bluetooth, then Tidal over WiFi, and it did the same thing both times.

I then swapped out the WiiM Amp for the Fosi ZA3 amp connected to my DAC, and there was no popping. Also, I did not get any popping with my NAD C388 either while connected to the same DAC and computers.

I don't know what the Wiim Amp is doing, and I don't know if this is just my amp or if this issue is happening to others, too, so any feedback would be greatly appreciated.
Click to expand...
I experience the exact same phenomenon with my WiiM Amp! It makes me absolutely crazy and really spoils the otherwise great experience of the WiiM Amp.

Have you found a solution yet, or do we have to ask and please @WiiM Support and @WiiM Team?
 
I was about to complain about the same issue here myself. It is reeeally driving me nuts. I thought my unit is faulty and was about to RMA.

This post is almost a year old and I also have the same issue, is there still no fix?! @WiiM Support and @WiiM Team
 
"The problem is that the WiiM amp seems to go into suspense or standby mode after 30-60 seconds of silence"

Same problem on Amp Pro
 
Last edited:
snazy514 said:
That's interesting are you sure? Do you use your WiiM in a Desktop setup or only for a TV and in what way are you connected to it?
Click to expand...
I have a TV connected to the optical input and generally use ethernet streaming. I have listened for noises from the speakers after 30s and after the standby time of 2 minutes and don't hear anything. I will try again though. When do you hear the pops?
 
Whimsical5518 said:
So I bought the WiiM Amp specifically for my WFH office setup, which is connected to 2 Windows computers and a Mac that I cycle through depending on what I am doing. Two computers use a DAC (USB from computer to DAC, then from DAC to optical to WiiM), and the 3rd is a direct line-in to the Amp, which all works well, especially with the auto line/optical sensing feature. The amp is connected to a set of Klipsch RP-600M and a single RSL Speedwoofer 10S MKII, which sounds amazing.
...
I don't know what the Wiim Amp is doing, and I don't know if this is just my amp or if this issue is happening to others, too, so any feedback would be greatly appreciated.
Click to expand...
I've never heard a pop in 16+ months and we have slightly similar setups with one key difference.

For comparison, my office setup includes a WiiM Amp connected via wired Ethernet with Kef 750 floorstanders and RSL Speedwoofer 10e. Music for me comes from my NAS locally through Plex or LMS (both point to the same networked shared folders). For internet streaming, I use the WiiM app - Pandora for background music and Amazon Music for hi-res that I share with my daughter. So, I'm using network transports to get to the WiiM and using the WiiM Amp's DAC instead of an external DAC.

https://WIIM_IP_ADDRESS/httpapi.asp?command=getStatusEx -- notably, this Amp is PCB version 2 which is older
Code: 
{ "language": "en-GB", "ssid": "WiiM Amp-38B2", "hideSSID": "0", "firmware": "Linkplay.5.0.716363", "build": "release", "project": "WiiM_AMP", 
"priv_prj": "WiiM_AMP", "project_build_name": "WiiM_AMP", "Release": "20250508", "FW_Release_version": "", "PCB_version": "2",
 
On Wiim amp pro with no input singals, play Tidal connect via ethernet cable, after pause and 30-60 seconds I hear a popping sound from the speakers too
 
slartibartfast said:
I have a TV connected to the optical input and generally use ethernet streaming. I have listened for noises from the speakers after 30s and after the standby time of 2 minutes and don't hear anything. I will try again though. When do you hear the pops?
Click to expand...
My setup is as follows:

WiiM Amp Pro connected via TOSLINK to my PC and then I also have my TV hooked up via HDMI etc. (I have my TV in this Setup as both my 3rd monitor and PS5 TV).
A few weeks ago I had a different setup with the WiiM hooked up to an external DAC and that DAC was then connected to my PC. The problem with this Setup was that there was a ground loop issue whenever I connected the HDMI so I just use the WiiM's DAC and connect it directly to my PC.

So the issue seems to be WiiM being directly connected to the PC maybe?
I hear the Pops if I haven't played anything for a certain time period like I think a few minutes. I have the standby mode set to never. I tried playing with the settings and enabling the reduce noise for optical, reduce popping sounds by adding delay, playing with delay settings themselves and I turned all the auto sensing features etc. off.

What I haven't tested however, is whether this issue happens, if I only use the TV instead of a PC. I've already opened a ticket with WiiM to see if maybe my issue is because something is faulty but since several other people also have this issue idk.
 
satek77 said:
On Wiim amp pro with no input singals, play Tidal connect via ethernet cable, after pause and 30-60 seconds I hear a popping sound from the speakers too
Click to expand...
What's your 'PCB' version? I think this value refers to the Printed Circuit Board version, so there could be some PCBs that exhibit this behaviour and others that don't. It's found in the browser output for this URL: https://WIIM_IP_ADDRESS/httpapi.asp?command=getStatusEx

Pops can be grounding related or other circuit switching issues. You can search and read for days in this forum on the subject.
 
slartibartfast said:
According to this it is an Amp Pro
S

Post in thread 'Wiim Amp Popping Sound After 30-60 Seconds of Silence.'

"The problem is that the WiiM amp seems to go into suspense or standby mode after 30-60 seconds of silence"

Same problem on Amp Pro
Click to expand...
I had overlooked that.

Different hardware, different firmware, the issue might or might not at all be related. I remember WiiM stating that the original WiiM Amp did not receive PFFB from the start because initially they had problems with popping noise under certain conditions.

I tried to reproduce the issue with my WiiM Amp Pro (which had secretly updated to itself to firmware version 5.2.717556), but couldn't. No noise whatsoever within 60+ seconds after pausing playback from Tidal. I hadn't actively noticed it before. Worst case, this could be specific to individual devices.
 
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