What is the difference between the two systems in the 07' RX400h?


Is it just speaker upgrades or is there more?
Head Unit Improved?
Additional amps or amp power?


Just wondering if it was easy to swap systems if the parts were easily available. My wife has complained the radio has dropped a few, rare times....but of course, it's never done it to me.


Alternatively, I could go Crutchfield Alpine unit.....but not stock looking.

 

The ML upgrade is probably not easy. Especially the big speaker in the center of the dash.

 

Good to know. I didn't even know there was a center speaker in the ML system. I guess that would put a damper on the 'ease of installation'...