Originally, I added a pair of 2Wqs to my Vandy 1Cs. When I upgraded to Ohm Walsh 2000s a few years back, they blended every bit as well as the 1Cs. I think Vandersteen is telling the truth: If your mains will go down to 40Hz, and you hook the 2Wq up as per the owner's manual, the blend should be seemless. I plunked mine down in the front corners of room, and I get deep, tuneful, controlled, high-impact bass that is anything but one-note. Last year, I upgraded to the MHP-5 battery biased crossovers, and got further improvements in the sound both above and below the crossover range. I think the 2Wq is one of the best bargains in subwoofers.