Want to win a pair of Dayton Esoteric 5.5″ drivers? Check out the forum for the official rules: https://toidsdiyaudio.com/community/the-lounge/first-giveaway-dayton-esoterics-8-7-8-31/
Take a look at the overview of them by 123Toid:
A few pictures of the Esoteric line.
If you want more information about these drivers or other products, check out Parts Express.