AZNCOS 6 canali 5.1 adattatore scheda audio USB esterna audio ottico PC portatile
It supports 32KBz, 44.1khz. Only R L channel PCM audio in 5.1 channel can be conveyed in digital playback mode. USB 6 Channel 5.1 External Sound Audio Card for PC Laptop OS support: win98 / XP / 2000 / Vista / Win7/8.