The IEM (in ear monitors) Bible thread - a guide to help every musician

[javi_bassist]

On 14/11/2025 at 14:42, dave_bass5 said:

Ive been meaning to do this myself for a couple of years. Please let us know how you get on. 

 

I tried them in two different gigs I had this last weekend. I have to say that they are great. It was the first time for me using custom molds and they fit perfectly. So perfectly that they are difficult to remove hehe (I cannot just grab them from the in ear itself because I could damage it. It happened to a friend who went custom molds in the same place with his IE400).

The sound improved. I have to say that during soundcheck I was concerned because there was too much low end without any definition, I control my in ear with a Rolls and I couldn't find a sweet spot. However, as soon as we started the gig, everything was perfect. Bass had a lot of definition and I loved it. Low end is now more present and highs were a little bit rolled out (not so much, but a little bit. I prefer it this was to be honest). 

Do I recommend it? Absolutely. 

[dave_bass5]

Thanks for posting that. Looks like a really good move. Will definitely look in to this in the new year. 
As it happens I’ve been using my singers IE100 pro’s (with my comply foam tips) for the last two gigs. They seem to be a slightly different fit, but enough to fit a bit more securely than my IE400. I’m not giving up on the 400, as they have a slightly better sound for me, but i started to find they would come a bit loose if i smiled or shouted across the stage (2 things i try not do 😎). The 100’s don’t dislodge quite as easy. 
Sounds like a good reason to go custom, but now it’s for which pair.