Kung may optical or coax out yung dvd mo, bili ka ng outboard na DAC, para maganda yung sounds. Did that with my 5 year old Pioneer DV355 and my Airport Express, kung medyo mahal yung bibili ng magandang DVD/CD player. Kung may pupuntang HK, yung Lite DAC-AH P5k lang, and yung Zhalou mga 8k lang.