Boston Acoustics speakers are considered some of the best in the car audio industry.  If you're looking for full range factory replacement speakers, Boston speakers are the way to go, from entry level to pro audio they have something to offer.  However, if you really want high quality sound and performance you need to look no further than the Boston Acoustics component speaker line.  PRO & SPZ series component sets are all about sound quality, efficiency, and power handling.  The SPZ / PRO series component sets are the result of fine tuning, research, and testing by the car audio specialists at Boston Acoustics research and design.  Want replace your factory speakers, keep your wallet, but still retain a high quality sound that can't be matched?  Boston Acoustics' S series speakers are for you, manufactured in all of the popular factory sizes there is a speaker that will fit every vehicle.  Going from factory to a Boston Acoustics speaker will make a world of difference in any vehicle.