Hi:  I'm really enjoying my Sennheiser IE800's but I prefer the seal of CIEM's.  Does anybody think there would be a way to embed the ceramic IE800 in an acrylic or silicon ciem housing, while maintaining the two rear ports?  Or is this an absolutely crazy idea.   Thanks in advance.

I'm obsessing....please give me a hand in making a decision on a new CIEM.  Currently have custom Shure se535's which are just not that engaging with my new AK120.  Like the sound of my Sennheiser HD600's much better, but I need something more portable.   Here's my current choices:   (1)...