NEW IN BOX!
MTX T61044A Thunder6000 10" 500W Subwoofer

FEATURES:
* Asymmetrical Linear Drive Technology
* Aluminum Deposition Cone with Stiffening Ribs
* Spider Plateau Venting
* Folded-Window Steel Frame
* 2" 4-Layer Voice Coil
* Nitrile Butadiene Rubber (NBR) Surround
* 37oz. Magnet Structure

SPECIFICATIONS:
* Size: 10 inch
* Rec. Sealed Box Dims: 0.50 - 1.00 cu.ft.
* Rec. Ported Box Dims: 1.00 - 2.00 cu.ft.
* Free Air Usage: not recommended
* Sensitivity: 85.2 dB
* Frequency Response: 33-150 Hz
* Recommended RMS Power: 250W
* Peak Power Handling: 500W
* Impedance: Dual 4 ohms

MSRP is between $145 - $165

I bought 2 off my friends dad's audio shop, only need one for my car.

$120 OBO

OBO make some offers

$100 obo common