ALPINE IVA-W505R with
ALPINE Processor PXA-H100
speakers...the winners of CES 2010 :
DLS Ultimate Nobelium 6.2 Component System
DLS Ultimate Nobelium 6.2 Component System: Winner of Best High End 6.5" Component Speaker System - Expert Reviews | Bestcovery
and ampli 4 channels
Boston Acoustics GT-4100 Boston Acoustics GT-4100 4-channel car amplifier 100 watts RMS x 4 at Crutchfield Signature
Now, it's all about your budget... i hope it's useful 4 you