Mic Monitoring (Side Tone) on Razer Blackshark V2 Pro (2023) broken with latest Synapse 4 update | Razer Insider
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Mic Monitoring (Side Tone) on Razer Blackshark V2 Pro (2023) broken with latest Synapse 4 update


nymphlode

Ever since I downloaded Synapse 4, I have been plagued with the following problems:

  1. While mic monitoring is enabled, I can hear a faint echo of myself on a delay, on top of the existing intentional side tone. This means I hear myself twice, once the normal way, and again shortly after and quieter. It sounds like the “Listen to this device” feature in Windows input settings.
  2. While mic monitoring is enabled, my output volume is lowered to about half of its output. However, Windows and the Razer Synapse app say that its still at 100%. This makes everything super duper quiet.

I have reinstalled Synapse SEVERAL times, going as far as getting more and more exhaustive with my removal methods. I first enlisted the official guide for reinstalling Synapse on Windows, but this did not resolve the issue. I downgraded to Synapse 3, and the issue was still occurring (Only the first issue, with the echo. The lower output volume does not exist after downgrading to Synapse 3). When this didn’t work,  I uninstalled Synapse again using the guide above and used the official “Device Detection Troubleshoot Tool“ from Razer to remove the devices from Device Manager. I then used “pnputil” in command prompt to remove any leftover drivers that were still remaining from Razer and THX. This did not fix the issue, and upon reinstall of either Synapse 3 or 4, the issue was still present.

As  you can see, I’ve done a lot of troubleshooting. I’d also like to mention that there are many people with the exact same issue seen in this thread, all within the last 2 weeks.

I am on Windows 11 Pro 23H2, OS Build 22631.4541. Synapse 4.0.86.2411140357. All latest available drivers and Windows updates installed. I don’t have 24H2 because Windows has not rolled it out to me yet.

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20 Replies

GoldenYellowloadfirst352

Identical issue. Please address. 


  • Insider Mini
  • 1 reply
  • December 18, 2024

Same issue, it also causes this weird static distortion noise in any kind of gameplay/video recorded with the mic enabled.


quickTractorReddome825

Also same issue. Can´t use my Blackshark V2 Pro (2023) as I hear always on top of my sidetone my voice delayed.


  • Insider Mini
  • 6 replies
  • December 18, 2024

Same issue, super annoying, hearing an echo of myself all the time after i updated past weekend. Please fix..


  • Insider Mini
  • 1 reply
  • December 19, 2024

BRO OMG THIS IS SOOO ANNOYING PLS FIX RAZER. HAVING SAME ISSUE I PAID OVER 200$ DOLLARS FOR A PAIR OF HEADPHONES BECAUSE OF THE MIC MONITORING AND THIS IS WHAT I GET, I WOULD LIKE A FULL REFUND NOWWWW!!!!!!!!!!!!!!!!!!!!!!


BaltasarHenderson

Same issue here, installed Synapse 4, went back to Synapse 3 since it's less buggy and it's still there. Can't hear anything on games now.


When using my laptop that never had Synapse 4 installed, it works fine. Curious enough, if I use them on my PS5, it either has the delay or not, depending if i last connected them to my desktop (with the Synapse 4 bug) or my laptop with the Synapse 3 without the bug.

Another important note:
The delayed sidetone on Synapse 3 is still present when sidetone is off. The only way to get rid of it is by disabling the microphone on Synapse.

Mic & Sidetone on: Normal sidetone and lagged sidetone
Mic on & Sidetone off: Only lagged sidetone

The physical mute switch on the headset does indeed mute the lagged sidetone (I sure hoped so).


Im having an identical issue, with mic monitoring disabled i still have the delayed echo. When i mute all audio from my pc i dont hear it but i cant single out an application to mute that will get rid of the delayed echo.

I also dont have this issue with the headphones plugged into my laptop, only my desktop.

I managed to get rid of it last night by uninstalling synapse 4 and cleaning the drivers off my pc, then reinstalling synapse 3 but when i started my pc this morning it auto updated and brought the echo back.

im very frustrated as ive spent over $1500 on razer products because of the build quality and the ruin my experience by pushing out an untested update that breaks everyones headsets. 
i cannot believe this still hasnt been addressed yet, ive looked everywhere for updates and its extremely tough to find any quality information regarding this issue.

The fact this issue has persisted for over 2 weeks without any response from razer to even say that theyre looking into it is infuriating to say the least. Really makes me consider just throwing these headphones in the trash.

It makes the headphones completely unusable imo.

 


So i just went got mine to start working properly.

 

I unplugged all my razer products,

uninstalled synapse and restarted my pc

then ran this tool to remove the razer drivers from my pc: https://mysupport.razer.com/app/answers/detail/a_id/5776/kw/driver%20tool

(with everything still unplugged) i reinstalled synapse 3 using the link the app provides

Plugged all my devices back in and updated synapse so itll recognize my devices.

(you will hear the echo/delay still at this point)

I then went into my apps and uninstalled the THX application.

(this is what removed the echo/delay)

 

Please let me know if this solution works for you as well!

 


  • Insider Mini
  • 6 replies
  • December 23, 2024

Based on the reply from theendlesswake i have done the following.

About a week ago i already uninstalled razer synapse 4, removed all drivers with the driver tool and reinstalled synapse 3 based on the reddit post. This did not resolve my issue.

 

Just now i went to uninstall in windows and searched for THX, i got 3 hits, uninstalled all of those and now mic monitoring works as intended again.


  • Insider Mini
  • 6 replies
  • December 23, 2024

Oh BTW i did forgot to mention, as moving to synapse 3 resolved nothing i moved back to 4 so i could atleast disable mic monitoring, so i got it to work on Synapse 4 now.


BaltasarHenderson

Second time writing this since this forum is also bugged (tried uploading this comment with a screenshot and it just showed me a red box with no error message while also deleting the content of my answer)
So, again:

I ran the driver cleanup tool, followed the steps carefully, reinstalled synapse 3, and as you said, the echo is still there.

I searched for THX under the program uninstall on windows setup, found a “THX Spatial Audio USB 1532-0555”, uninstalled it and my issue is still there.

So, back to Device Manager, i see 3 THX related “devices” under the Software Components list:
THX Spatial Audio Configuration Razer BlackShark V2 Pro
THX Spatial Audio Effects Component
THX Spatial Audio Service


I can uninstall them all but whenever i turn the headset on, they come back on. (If i uninstall them with the headset on, they come back instantly).

Weirdly enough, the THX Spatial Audio Effects Component firstly showed under Audio Processing Objects in Device Manager, but when i tried uninstalling it, it moved to the mentioned Software Components list.

In the past 2 years i had to reinstall Windows 3 times already, all because of bugs in Synapse. I really don't want it to be 4 times…


BaltasarHenderson

Well this is getting infuriating, went from Synapse 3 to Synapse 4, connected the headset and it seemed to be fixed for a moment, but once it prompted to restart my pc to finish installing the headset on synapse, the echo is once again back.

It sounds like if a 5 year old tried to program a transparency mode on the headset, ffs.

I´ll just use them through bluetooth until they release a fix. Tired of this. Hopefully they start testing things before releasing...


GoldenYellowloadfirst352
theendlesswake wrote:

 

I then went into my apps and uninstalled the THX application.

(this is what removed the echo/delay)

 

 

This has resolved my sidetone issue, but now my THX toggle doesn’t work. This is still my preference, as I can’t talk without a lag free sidetone with this headset being so closed.

I just want THX spatial to work in games at the same time as sidetone. wtf.

 


urbanfuturePlumWeb225

Howdy lads, exactly the same issue here. Razor seriously needs to fix this. 

I don't know if this will help anything but; I had this exact same issue on my HP Envy laptop. Today I got a new Lenovo laptop, installed synapse 4 and tested my V2 pro side tone and so far it seems like its working properly. So there does seem to be some sort of PC specific issues going on rather than headset problem. 

 

Regardless, Razor ffs please fix 


  • Insider Mini
  • 1 reply
  • January 13, 2025

I’ve managed to get rid of 99% of the delayed sidetone, almost to the point where it is barely audible.

 

I ran the Razer black-shark V2 firmware updater and realised that both my headset and dongle had updates.

 

The firmware updater can be found here under step 3 - https://mysupport.razer.com/app/answers/detail/a_id/13081

 

Run the updater and follow the instructions.

 

Hope this helps. 


BaltasarHenderson

I dont know what did it (probably a synapse update that i didn´t pay attention to), but seems to be fixed now, on Synapse 3. I´m too skeptical about Synapse 4 so i´ll keep myself from updating, unless someone here confirms that the issue is also fixed on Synapse 4.


BaltasarHenderson
MRJDAM wrote:

I’ve managed to get rid of 99% of the delayed sidetone, almost to the point where it is barely audible.

 

I ran the Razer black-shark V2 firmware updater and realised that both my headset and dongle had updates.

 

The firmware updater can be found here under step 3 - https://mysupport.razer.com/app/answers/detail/a_id/13081

 

Run the updater and follow the instructions.

 

Hope this helps. 

Back when i still had the issue I ran the update but it didn´t fix it for me. It´s always great to update tho, but it wasn´t the fix for my case.


BaltasarHenderson

Updated to Synapse 4 (BIG mistake) and the echo is back. Tired of this. It´s not even recognizing my Raptor 27, how is this a public release?


slbjazz
  • Insider Mini
  • 1 reply
  • January 25, 2025

Same problem, used to have to disable the headphones in windows sound settings and re-enable it to get rid of the issue. Now that doesn’t work either!


Razer.Aero
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  • Razer Support
  • 2998 replies
  • February 14, 2025

Hey guys!

Thanks for bring this issue to our attention. We’d like to check in to see if you're still experiencing issues with Mic Monitoring on the Razer Blackshark V2 Pro (2023) since the latest Razer Synapse 4 update. If you do have an ongoing support ticket, please PM with the case number so I can assist you accourdinly. We appreciate your patience and look forward to resolving your issue. Best regards!
 

*Thread locked to curb conversation to PM.


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