i have 2 selenium st350 supertweeters that are slightly used. they come with 2 spair diaphrams if you are able to blow the originals. these things are LOUD. i bought them a lil while ago not knowing how huge they were. when i recvd them i tested them once and theyve been sitting in the box ever since.....heres an ad over on CACO
$70 shipped
http://www.caraudioclassifieds.org/...akers/77143-lnib-selenium-st350-w-spares.html
$70 shipped
http://www.caraudioclassifieds.org/...akers/77143-lnib-selenium-st350-w-spares.html