ASUS XONAR DG Headphone Amp & PCI 5.1 Audio Card

X-fi Xtreme Audio Pci Express 24BIT Soun Blaster-varpak

Creative Sound Blaster Live! 5.1 PCI Sound Card SB0200

Asus Xonar DSX 7.1 Channel PCIE Gaming Audio Card / Sound Card

Creative Sound Blaster Live! SB0060

M-Audio Firewire Solo US35030 Firewire Audio Interface

USB V5.1 3D Sound Card Audio Adapter for Skype Headset

Diamond XS51 XtremeSound 5.1 16 bit Sound Card

CREATIVE LABS CT5803 SOUND CARD GATEWAY

HM-101 USB Portable Sound Card / Dac