Minuendo (n.): from diminuendo, a musical term meaning “gradually getting softer.”

Our story
Minuendo was founded in 2018 in Oslo, Norway by a team with extensive experience from acoustics, hearing protection and product development. Our mission is to deliver category defining hearing protection products and solutions that provides real protection for the sense of hearing.
In 2025, the noise monitoring solution part of the business was rebranded and moved to Noise Smart.
Our journey

2015
The research begins
Scientists at SINTEF — one of Europe's largest independent research institutions — begin developing a new approach to membrane-based hearing protection, funded by the Research Council of Norway.

2018
Minuendo is founded
Four co-founders unite in Oslo with a shared mission. After close to 100 prototypes, the world's first variable passive Hi-Fi filter is ready.

2020
Red Dot Design Award
Minuendo wins the prestigious Red Dot Design Award for Healthcare Brand and launches in Norway.

2021
Going global
Forbes names Minuendo "Best sound quality for concerts." Popular Science: "Best earplugs for musicians & work." International distribution begins.

2023
LIVE 17dB is launched
Making the famous Minuendo sound available to a wider audience - for festivals, clubbing and more.

2025
Focused on what matters
Smart Alert, the noise monitoring division, is rebranded as Noise Smart. Minuendo doubles down on its core mission — the world's most natural-sounding earplugs.

Today
40,000+ ears protected
Two products. 11 patent families.


Retailers
Minuendo earplugs deliver adjustable, natural-sounding protection without batteries—made for people who live for live sound. If your store serves musicians, audio pros, venues, or live music-lovers, Minuendo is a premium add-on to your product portfolio with a great support program.
We can support you with counter displays, demo/sizing kits, staff training, co-marketing assets, and fast replenishment. Dozens of retailers have already been successful with sales of Minuendo earplugs since 2021.
Ready to join our retail network? Apply at hello@minuendo.com and we’ll help you launch in days, not weeks.
As seen in
Featured in 14+ international publications
If you care about your ears, Minuendo is worth every penny - and still costs less than a hearing aid.
If you've never liked earplugs because of how they sound, these might change your mind - vocal clarity, natural tone, and a fit that actually stays put.
It’s hard to make ear protection sexy, but Minuendo has gone above and beyond the basics.
Truly streaks ahead of even the best moulded in-ears — frequency-accurate, passive attenuation that puts the industry on notice.
CHOOSE YOUR PROTECTION
Two earplugs. One standard.

Stepless adjustment

Frequency response

Acoustic membrane

Guaranteed fit

Fully acoustic

Variable passive

Fixed attenuation

Sound at 17 dB

Acoustic membrane

Guaranteed fit

Fully acoustic

Variable passive



















