My favorite “cheap” ear plugs are Dubs. They’re comfortable, and they reduce the decibel level without reducing the quality of what you hear. https://getdubs.com. Source: over 1 year ago

They could be dubs. Back when I was regularly attending concerts I had these low-pass earplugs that are designed to reduce the hearing damage from stadium-grade speakers without impacting the sound quality (too much). Source: over 1 year ago

Https://getdubs.com/ Link is for what I have but doesn't look they are around anymore. I've had them for a while. I love those ones, but they are also the only I've ever tried so I won't claim any expertise. Source: almost 2 years ago

These are the DUBS I mentioned previously. They're pretty much invisible. I bought them many years ago from Amazon but today I get zero from the search results. So better order from their own website. Source: about 2 years ago

Mine were a gift from another musician I play with, so he got me pink ones. They're sold out on Amazon, and the website https://getdubs.com/ directs you to Amazon when you click on "shop now." There are lots of options, https://www.musicradar.com/news/best-earplugs-for-musicians has some popular ones. I know earasers is on that list and a lot of people like those. Source: about 2 years ago

Also, this onehttps://kronbits.itch.io/pixatool https://kronbits.itch.io/ it has some great results with minimal effort. Source: over 2 years ago