I have a Pair of Audiobahn Alum 12 Q subwoofers for sale. They are brand new in their wooden boxes and have never been mounted. They come with their instructions, warranty card, allen wrench, and cloth to keep all the pretty chrome clean. Some specs: 120 oz magnet, power handling 1,000 watt RMS, frequency response18Hz - 500Hz, efficiency 96.4 dB, voice coil 3 dual 6 ohms, operation 3 ohms or 12 ohms. I paid $300 for each one, asking $400 plus shipping for the pair PM me for pics.