Audio Excel PCI 6 Channel Sound Card
6 Channel Speaker Support; High Speed PCI Interface; Compatible with SB16; 5.1 Surround Sound  

PRICE: $45.00

USB 2.0 to 5.1 Channel Power Up
6 channel DAC output with; Earphone buffer; 2 channel ADC input with Additional headphone output with selectable source and phone jack sense; Xear 3D sound; Speaker shifter Dolby digital audio streaming via S/PDIF out

PRICE: $99.00

USB 2.0 to 7.1 Channel Sound Card Adapter
Plug and Play; USB bus-powered mode; Multi channels audio code interface for 7.1 channel playback;
Conventional audio 2 channels source playback; Support Stereo active speaker or stereo earphone;
Interface: Mic In; SPDIF  In; SPDIF Out; Line In; Front Out; Rear Out; Cen/Bass Out; USB; Analog recording function; Supports Windows 98SE / ME / 2000 / XP / Server 2003 / Vista, Linux, Mac OS9.1 or higher

PRICE: $115.00

USB 2.0 TO 3D Audio Sound Card Adapter
USB 2.0 to Audio Adapter General Features: Plug and Play USB 2.0
Supports 3D sound (Ac-3) Stereo 5.1-channel sound track Virtual speaker shifter; Plug and play; window 98/xp/2000/vista and Mac. Speaker/headphone jack Microphone jack Regulatory aqpproval:FCC CE  

PRICE: $29.95