I have an arrangement of these in m Sea-Ray keep running about. They're my back speakers and fueled by raise channel of a Rockford Fosgate M600-4D. They sound great yet not all that great as my Polk DB6502 segments. I have the DB6502's as my front speakers and wired on the front channel of a similar amp. I have a moment M750-1D mono amp controlling 12" sub. The DB6502 segments emerge as the unmistakable pioneer by correlation with the coaxial DB651's. I won't buy coaxial speakers until kingdom come. Segment speakers are justified regardless of the additional cash. read this article