Finally finished modding mine today. I used Akasa Paxmate plus and Dynamat Extreme rolled into a ball, The vents are fully open at the minute but i will tune them when i have some new pads.
I also ripped all the felt off the face of the driver as my knife wouldn't cut it. This has made the highs a little ear piercing but i think its because the driver is pretty much touching my ears with the v1 pads.
Overall they sound great, Better than the 650's or d2000's
I'm going to get some sure pads and put some thick felt on the back of the driver and i should be done 



