Hey Guys, i've got two mtx roadthunder 12's that i dont need anymore. They are nice subs the sound is pretty good, there not the loudest subs in the world but they do the job is your looking for a good sound. Also the amp to go with them is on ebay for like $60 and i can get you that link if anyone is intereted.

Heres the specs

Specifications:
*200 watts RMS/400 watts peak
*Impedance: 4 ohms
*Magnet weight: 30 oz.
*Fs: 31.3 Hz
*SPL: 90.4 dB 1W/1m
*Vas: 3.65 cu. ft.
*Qts: 0.50
*Xmax: 9.4mm
*Dimensions:
Overall Diameter: 12-1/4"
Cutout Diameter: 11-1/8"
Mounting Depth:

•Extended pole piece for reduced distortion
•Mica filled polypropylene cone
•Vented spider for increased power handling
•Polyether foam surround
•Single 1.5" high temp voice coil model

I've also got a ported box for (2) 10's i used it for about a week or so its either by rockford or q-logic i cant remeber i got it @ best buy. $30

I can get pics for anyone who wants them let me know thanks