A multi channel power amplifier could be just the place to start with your audio setup. Enhancing your sound experience can make a ton of difference.
From Spatial online
Rotel RMB-1555 5 Channel Power Amplifier - Silver
The Movie Rooms
Rotel RMB-1555 Power Amplifier
GSL Installs
Rotel RMB-1555(BLK) M/C Power AMP Black
Soundcraft Hi-Fi
Rotel RMB-1555 - Home Cinema Power Amplifier