Apparantly there is a line for them. I am searching for 4 of them aswell on the board. Came up with nothing. No one wants to give any of them up. Only option is to order them from SS
hmmm ... 4 x 150 = 600 .. hmmm and then an amp to power them decently .. another 200? then a box designed for them .. another 120? .. about 920 almost $1000 for 4 RL-I 8's and an amp + box ..