I have a DD 9518G for sale. I purchased it a few months back brand new. It has dual 2ohm coils. I used it at a couple of spl events. It is not even broken in yet. It may have about 8 hours of music play on it. Asking 450.00 shipped. I paid 800.00 plus shipping new. If interested please call 856-535-5568 or respond on here.