I had 2 of these installed on each side of my a-pillars and crossed them over from 200hz-up and they handled it extremely well and got pretty loud doing it. With a little EQ work or aiming them on axis I think they can sound REALLY good. I'm looking for $25 shipped on all 4. http://www.parts-express.com/pe/showdetl.cfm?Partnumber=299-271
