Startech com pcisound5ch2 5 1 channel pci surround sound card adaptor startech com pcisound5ch2 p with the pcisound5ch2 pci surround sound card from startech com you can add 5 1 channel audio to a desktop pc through a pci slot giving you audio output and microphone line input via 3 5mm mini jacks p p a cost effective multimedia solution for delivering high quality surround sound this card lets you enjoy full duplex 48khz 16bit audio playback recording and offers support for hrtf 3d p