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Closed or open for my loss?

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Hi everyone, I have this loss since my birth but I am trying to do something only in the last six months.
For now I’ve got a fitting with openbass dome with a pretty steep bump in amplification for not touch my “normal” hearing.
I was a bit skeptical about my first audiologist (no involved but only in SITU audiometry) so I went to other audiologist that gave my all sort of exams ( bone conduction, , and of course REM) and tried to fit my loss with a new approach, bass dome with double ventilation hole.
Right now I’ve mixed feeling, I love natural sound of openbass but I feel that with bass dome I feel a more “consistent” sound.
It is right to amplify in those wait my loss? With bass dome I feel more occlusion, but audiologist said that I can match target easily in those way.
Attached there is my two fitting pics.
Thank you for your time.

Immagine WhatsApp 2025-07-26 ore 20.30.03_1e1fc474
Immagine WhatsApp 2025-07-26 ore 20.30.03_735ca2a9

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It’s whatever you prefer. I suspect you’d understand speech better with the more closed fitting, but have to tolerate occlusion. For you to decide if tradeoff is worth it.

I would ask your audiologist is a vented mold would give you a good compromise between the two domes.

I would also go to this generated voice web site an see how well you understand the voices with the open bass dome versus the with some venting.

AI Voice Generator with Emotional Text to Speech16

The online AI voice generator that can turn your text into life-like speech. Our extensive selection of hyper-realistic voices. Create your content just the way you want it!

Personally, I use the open bass dome with my Philips hearing aids, and think they work well enough for my hearing loss.

No native speaker so IDK if it could be right way to test my speech understanding.
Regarding molds I always thought that with it sounds is less natural for someone with a good bass and mid hearing, and lot of guys complain about occlusion.

Note I stated the molds are to be vented. As such, they should be a compromise between an open bass dome and a with small openings, leaving most of the low frequencies lightly processed and yet allowing more high frequency gain without the feedback and occlusion.

That is why you should ask your audiologist if they may be of some benefit for your degree of hearing loss.

Note that with two small holes are cheap to buy. So I wouldn’t be afraid to try and modify them.

My showed me a screen just like this, but I failed to take a photo.

Does anyone have a primer on how to read this?

Edited

In reply to @Kingopino

@Kingopino said:

Regarding molds I always thought that with it sounds is less natural for someone with a good bass and mid hearing, and lot of guys complain about occlusion.

It isn’t entirety true, see my . I prefer even more occluded coupling even when I play the guitar. My Infinio Sphere 90 provide quite good sound in Music program.

Earmolds are often the best way to improve sound quality and speech understanding. The only drawback is that seeking the sweet spot in ideal vent diameter can be cumbersome, time-consuming and require some trial and error approaches.

One way for diminishing the occlusion effect is putting the acoustic coupling deeper so that it leans on the bony part of the ear canal (it’s more for earmolds than domes). It requires getting used to, because the bony part of the ear canal skin can be sensitive at first.

In reply to @Kingopino

@Kingopino said:

My main concern is about the necessity of amplifity almost every frequency (down into bass) with bass dome, is that for compensate the more occluted ear canal?

Why it is the concern?

Yes. In , without any aid, you see the response near the eardrum in (Real Ear Unaided Response).

When you put the acoustic coupling, e.g. earmold/domes you will have measured (Real Ear Occluded Response) i.e. earplug effect to be overcome by (Real-Ear Aided Response) - the most important measurement.

Deep, vented moulds if you can’t hear clarity of speech or music

Edited

Would be nice to see the . If you’re hitting targets with an and not running into feedback problems then open is fine. That just feels a bit unlikely.

In reply to @user990

for your loss the open bass would be a better fit as you have hearing further into mid frequencies. Where as Kingopino drops suddenly much sooner. The other thing to consider, especially with men, is tone of voice. Deeper voiced men tend to have more in the lows and so would require the open bass but for those of us that aren’t very deep it can go either way. I have sued both and found using the closed bass with a slit is the best. I don’t feel the occlusion and yet don’t have as much leakage.

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