Razer Nommo V2 Pro Subwoofer not turning on. No LED of any kind. | Razer Insider
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Razer Nommo V2 Pro Subwoofer not turning on. No LED of any kind.

  • October 20, 2025
  • 1 reply
  • 32 views

TamamoLicki

I’ve had my Razer Nommo V2 Pro Nommo set since 2023 and have enjoyed it since purchase. 

Recently, as of yesterday, my subwoofer no longer turns on! 

I don’t have an extra power cable for the subwoofer laying around and can not test if the cable has died as of this moment. I’ve tried direct power to the wall sockets in my room, to my UPS unit(where it has been plugged in since 2023.) It does not turn on no matter what I do!

I’ve looked at the other support threads here, and on the Razer subreddit. 

Was wondering if anyone else has had recent issues with the subwoofer not turning on and if a replacement cable/extra cable has fixed it? 

 

List of things I’ve tried: 

  1. Tried different power sockets.
  2. Uninstalled Razer Synapse 4 non-beta. Reinstalled it. Tried installing Razer Synapse 3 and the Razer Synapse 4 Beta. Nothing. Went back to Synapse 4. 
  3. Tried to follow the order of operations for reconnecting the set from start to finish multiple times. 
  4. Power cycled 4 times waiting 15 minutes following different order of operations of plugging in the 2 speakers first, middle, last and without them and just the subwoofer. 

1 Reply

TamamoLicki
  • Author
  • Insider Mini
  • October 22, 2025

Just tried a full uninstall, unplugged all cables from the speakers and subwoofer plug. Waited 15+ minutes. Installed Razer Synapse 3 without the speakers plugged in at all. Then plugged in everything as according to the User Guide. Still not working. I don’t know what else to try as I’ve exhausted all reddit threats and looked through all insider threads about this. 

Gonna try random things again and if it doesn’t work out. Just gonna chuck the sub and keep the speakers. Will look around at other products other than Razers in the future since I’d like to have a sub with my PC experience….