Does the ETON USB 6AR fit into the UG FIAT SUB-KIT? Permanently deleted user 15 July 2022 11:20 Updated Yes, the successor model USB 6AR also fits into the UG FIAT SUB-KIT. Related articles Is there a suitable connection cable kit for my Fiat Ducato? I have an ETON USB subwoofer (USB 6/6AR/8/10/6.2), I am missing the connection cable kit? Which subwoofer is right for me? Comments 0 comments Please sign in to leave a comment.