Alpine Type-S 12" subs in Obcon sealed box- what's it worth to you?

[4n2twstr]

Sup fellas; "downsizing" my bass in trunk to get trunk space back. So up for sale soon will be my 2 alpine type-s 4ohm dvc subs in an obcon sealed box w/ plexiglass on one side. How much you think I can get for it? Links (not mine) to sub in action and box below. Thx!

http://www.youtube.com/watch?v=-6f0OZcCR7s
http://www.rtboxes.com/sub-boxes-woofer-manufacturer-ss/

[4n2twstr]

now for sale, make offers! http://www.audizine.com/classifieds/showproduct.php?product=27684&cat=44

[8520]

$100.