Where to find 40mm driver replacement?

hi everyone, one of my 40mm driver is broken and i couldn’t find a replacement.

i only found 32 ohm (for Bose and Beats) and original is 48 ohm.. could i replace it with that or where to find Astro’s driver ??

thanks,,

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2947414:01crwdne2947414:0:

any help please?

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0