This is a foam kit for ETHER and ETHER C 1.0 owners who wish to upgrade to 1.1 tuning. Installation takes 2 minutes. The effect of the tuning kit is to smooth out the highs and to present cleaner dynamics with a deeper sense of black-space.
Directions for ETHER: Remove ear pad, Insert foam over driver baffle, Replace ear pad.
Directions for ETHER C: Remove ear pad, Remove ONE white felt pad, Insert foam over the remaining white felt pad, Replace ear pad.