I didn't know harshness of bass is a thing.... Verified Purchase

After 500 hours plugged into a Tacoma extension cable, I can hear the difference in sound quality coming out of my CD transport feeding into my DAC.

I am impressed. Now to saving up for the bigger brother to this No Noise Ultra SE....

Chun Seng Lee | Wigan | February 2026

Update on filter

Just an update as I firmly believe that the filter has now fully burnt in as it’s simply superb!

Images are more stable and very 3D like on 4k material and the audio is more dynamic.

I can only imagine what the big brother sounds like.

Martyn Rance | Steyning | September 2025

No Noise Ultra SE

Just wanted to let you know that I have now been running the No Noise Ultra SE for over 100 hours now and all I can say is what a difference!

How can a simple plug in device make my sound and picture on my humble system so damn good!

It’s elevated it to a new level and my only question is what do I buy next from you?

I’m thinking the No Noise X SE??

Thanks again for making these wonderful products Brent.

Martyn Rance | Steyning | August 2025

Great Filtering for Modem and Router Verified Purchase

For context this review is for a mains treatment solution for a modem & router in a hallway that is linked via ethernet cable to my AV system in a lounge with its own existing mains treatment. I didn’t assess each part of the solution separately for effectiveness but I strongly suspect they all provided an advantage.

The audiophile mains extension (without filter) was upgraded to a better one and I introduced audiophile power supplies for both the modem and router. I also introduced an audiophile RJ cable to the router. The No Noise Ultra SE was plugged into the new mains extension.

The Sky Stream TV picture quality is now even better with more definition, lovely deep colours & it is much more 3 dimensional. The sound quality is better too being more dynamic and much closer to Bluray quality. This was especially noticed on a 5.1 Netflix film.

Yes, the overall solution cost a bit of money but I wouldn't want to go back.

Paul Maynard | Alton | February 2025

What an Improvement.

I am no audiophile. But, I must say my first step in to mains noise reduction has paid off. My speaker hum and headphone hum have been very much reduced. My whole system shines now with impressive bass and tonal mids and highs. I introduced a mains fuse in to my system and along with the Ultra se I am no longer looking to upgrade my system. One happy Naim chappy.

Paul Clark | Bradford | February 2024