I have a JL W3V1 subwoofer in a OBCon Pro Built FREAK Series Slot Vent 12x1 (GZ 121). I'm selling the sub for $50 and the box for $300.
Link to the actual box is: http://www.rtboxes.com/freak-series-gz121/
I have a used JL 500/1 amp that i bought a few years back, but never installed it. I am...