This Vandersteen 2W subwoofer is in good condition, one owner. It is widely regarded as a very musically natural subwoofer. Price listened is for comparison. $1,650 is the current price for 2Wq, the "q" indicating an added control feature. Included with the subwoofer is the set-up crossover box. If you are interested in this subwoofer you should go to the Vandersteen website to understand how it is connected to a system. It does not use line level input. Condition is better than good.