請問7.1的搭配

[kevindai]

SoundBlaster Audigy 2 ZS +
NeoCINEMA Audio Booster 7.1 +
S-48

SoundBlaster Audigy 2 ZS +
NeoCINEMA Audio Booster 7.1 +
DDTS-100


SoundBlaster Audigy 2 ZS +
GIGAWORKS S750 +
S-48

SoundBlaster Audigy 2 ZS +
GIGAWORKS S750 +
DDTS-100

請問各位大大
哪樣的搭配是比較好的呢?