How do you get behind the drivers to remove the paper for the bass mod? I tried removing the four screws under the ear cups beneath the foam but it still won't come out. The 2013 Sony Xb series includes the mdr Xb 400, Xb 600, Xb 610, xb 800, Xb 900, Xb 920, x05 and x10. So, if you were...

Most headphones have either thin paper or a cotton material blocking the holes on the back of the headphones drivers. Why are they even there if removing them seems to make the sound better. They materials blocking the holes in the back of the driver seems to reduce the lower frequencies, as...

Digizoid emailing me some information on the ZO3: "The output power of ZO3 is designed to be at least 10 times the power of ZO2." "The board is in design stage and final numbers will not be in until the board is built and tested. In other words, any number I would give you now would be based...

The Xb 400 Xb 600 Xb 800 x10 or x05? Also, how do the new Xb series compare With the older Xb 300 Xb 500 Xb 700 and xb1000

I could not found any frequency response graphed measurements for the new Xb headphones which includes the Xb 400 Xb 600 Xb 800 xb10 and x05. Since no one has yet measured these headphones, could someone Atleast make an interpretation of the frequency spectrum? I am looking for one that has the...

How does the frequency response graph compare between the two? Is the new x05 warmer? are there any harshness with the x05 like the xb700's 2khz harshness? Also, how would you compare the frequency response between the x05 x10 and x800