Onboard

* If all you want to listen to are MP3’s or some other form of compressed music.

* You plan on using stock speakers or maybe even just an inexpensive set of coaxial speakers (tweeter mounted in the center of the speaker).

* You are the type of person that listens to music at home on a home theater in a box/boom box setup. Yes, even the Bose systems are home theatre in a box systems.

* You are running your computer through your stock or aftermarket radio through AUX_IN or by an FM modulator.