I used the clamp mount and positioned it just behind the slider.
The internal part of the mount is between the EPS liner and shell. It's going to take some force to get it in there, so don't be gentle with it. You may need to separate the mount pieces. After the mount was in place, I removed the liner, neck roll and cheek pads to make installing the speakers and microphone easier.
A little gaffer tape helps keep the microphone in place.
To avoid wind noise, keep the microphone off to the side.
Extra wiring hidden under the neck roll.
Left speaker in place.
There are no real speaker pockets but there is enough room to squeeze them in there. It will take some trial and error to get them in a position that is comfortable and gives you the best sound quality.
I used a zip tie to help keep strain off the wires and hold them in place.
I love this helmet.
If you have any questions, feel free to ask.
Stay safe out there.