Make Electric Castle Filter A (8 types x6 sheets)

"Make Electric Filter A", the first metal filter in the Make series made of electrical casting with different inner diameter.
Unlike conventional filters, it is a filter that allows the peak of the high -frequency peak without greatly reducing the overall sound pressure.

* Make4, Grid01 dedicated filter.
* This filter is exclusively for the inside of the sound derivative tube. If used on the outside, do not use it, as it may fall into the ear canal and may cause a serious accident.
* From EA-1 to EA-8, it will be sold for 6 pieces each.