I had the same problem so the audio remade them with keeper lugs as shown in the photos. Problem solved and I find the mould with lugs MUCH easier to insert and remove.
Additional comment: I use a rental system for my aids (in New Zealand) and all the remakes etc have been at no additional cost to me.

Moulds will allow the software to be less aggressive with feedback control, and give you more headroom in the higher frequencies. They will also hold in more of the bass frequencies when streaming, as they can’t get out as easily.

Power domes we the worst for me.

As much as you want to push it deep inside ear canal. And it stay there forever. If you not gently pull it out bit by bit. You can accidentally detach it and dome stuck inside.

I learn how to insert it deepest as possible and learn how to pull the ear pinna so I can gently pull the receiver out from the deepest position.

Basically, Its the seal of your mold so the sound can’t escape except through the vent.

Vent also play the role in how you get the sound quality according to your ear characteristic. You either trust your Audiologist to do the ear examine for mold making process so they can decide which vent size you should use OR you have your preferred the vent size and tell them you like this vent size because it give you the best sound quality.

If ear mold not work. You send them back to fix it. Until you like ti. Which is costly.

For me, my hearing loss is so severs loss. I should use ear mold for the best result. But ear mold maker in my local shop is not proficiently enough. I can try send ear mold impression to the world class ear mold maker but its way too costly.

Oh did I mention it? for optimally you should re-mold every year? because ear canal shape is not consistent throughout yearly.

I use Single Vent Bass Dome and result is so excellent. I never look back to ear mold ever again unless I have access to world class skilled ear mold maker.

TL:DR you have to try everything. I try everything. Both mold, re-mold and ton of domes.

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@orgullodemexico I started with moulds and had trouble with them coming loose, so I tried power domes and they were not comfortable.
Then I discovered Oticon Grip Tips. These are soft silicone, shaped like an ear canal. They give me the benefits of moulds but they stay in place and are very comfortable.

I use slim tips in my Phonak RIC aids. They’re vented, but custom moulded and sit deep in the canal. I get no occlusion and get a much better high frequency response than domes. I hated the occlusion of power domes

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My problem with the molds I have tried is that the occlusion was too much, even with large vents. When I sing or play a brass instrument, I cannot hear the ensemble. Could this be from bone conduction?
These were acrylic mods. Would a silicone mold alleviate this problem?

Is the slim tip a phonak product?

As far as I know, yes. Although, I’ve heard talk in the UK that Starkey are contracted to make them. Not sure on that.

From the Phonak Target software, they can be fitted to RIC and thin tubes

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I’m wondering if Oticon makes a products similar to phonak slimtip.

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I use diy silicone molds. I have a small dome in front of the silicone to keep the silicone out of the receiver when they are being molded.

Oticon’s equivalent is called a ‘micromould’

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Why didn’t you enlarge the hole to make them more vented?

I did enlarge it a lot: no effect.

Which diy product do you use?

Radians Custom Molded Earplugs, Orange

Oh interesting.

You flush the receiver with these Radians Custom Molded Earplugs and let it set?

Does it stay attached to the receiver? Can I request a picture of your DIY? It is really interesting to see how it is doing.

Put a dome on the receiver. Mix the earplug material. pack the material in the back of the dome and wrap it around the receiver. Put the whole thing in you ear canal as deep as you’re comfortable with. Use your finger to pack the mold material into your ear canal and around the receiver. Let it all harden. Take it out of your ear. Trim if needed with scissors.

If you feel like you have too much occlusion you can cut a small groove in the mold for a vent.

Also if you have voids in your molds you can mix a little bit more material and fill in the voids. The sooner you do this the better chance it will bind to the mold.

The ones in the photo were made at different times and I used different types of domes on the left and right.

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Here are


some older ones that have vent grooves.

And a photo of one in my ear.

Here’s the commercial version that I used for my first couple of efforts, I don’t know if this kit is still available,

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Here’s a thread from another user who makes his own ear molds:

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