I have an SX 15 dual 4 ohm used about a month I am selling it for $235 shipped. I also a brand new sx 18 dual 4 ohm I am selling for $315 shipped. I also have a Hypnotic Zen (DB Drive premium protected sub) 15 dual 2 used for 3 months for $150 shipped. Maybe more then you want but I have a pair of brand new re xxx 15s dual 2 for $825 each shipped and even a pair of month old massive dmx 15 very loud for $375 each shipped I have more but can not think of them all.