Hi, Thank's for the amazing support from all off you, guys! I'm live in Portugal, so it's unlike you can help me :( My problem is: I want to keep the original smart radio/cassete unit. Or later, change for the CD unit (not the CD changer unit). The smart sound pack cost, in Portugal, 125 euros plus installation. This pack includes new separate speakers (woofer and tweeter) and a frequency amplifier or anything like this, I don't know exactly... Do you think I need install more components for the smart sound pack? It's better install another separate speakers or install the smart sound pack? Thanks again!