Any way to improve sound on factory installed Bose Premium system for my M35?

[lreinstein]

I think I was foolish... I did not do my homework and wound up with the standard Bose 8 speaker system on my M35 Infiniti. Not that it is a bad sounding stereo. It is just not a great sound, and I wish the salesman had pushed me to get the "Advanced Technology" package with the 14 speaker stereo system.

What I really miss is clarity for the high frequencies. I think the speakers in the seat back would have helped. I am thinking this would have improved my ability to hear phone conversations over bluetooth...made them clearer and closer to my ears to overcome road noise.

ADVICE NEEDED: Can I upgrade the system without a complete replacement? I don't want to mess up all the sattelite radio and ipod stuff and the Nav displays. Has anyone tried to improve this system.

I know this must all sound pretty Naive.

Thanks for the help.

Larry

[lreinstein]

Hi everyone. I just bought a 2008 M35x and I would like to upgrade the sound system if possible. I have no experience so any and all advice is welcome. I mostly listen to Jazz and Classical so am not interested in big base sound. I am mainly interested in clarity, presence etc. (My former cheap honda accord system sounded better..perhaps due to in-dash tweeters). I also would like to do as little as possible to mess up the electronics to improve things. Another main goal would be to be able to hear the bluetooth phone calls I get more clearly (with hindsight I probably should have gone for the advanced tech package with speakers near my ears in the seat). I think tweeters would help here. 1. So, what should I try first. Would simple door speaker upgrades help me accomplish this? 2. Are there replacement upgrades for the dashboard speakers (I did not see any on crutchfield site).? 3. Can I get tweeters installed relatively easily given available holes? 4. How important is a new amplifier? And for that, it would mean a digital processor etc I assume? this would all take up extra real estate which is pretty limited in the M35.

ADDITIONAL QUESTIONS:

5. What are the specs of this standard Bose speakers? What kind/watts of amplifier and what kind of speakers? Thank you Thank you. Larry