SIIG (CE-S00022-S1)$32.00 to $57.00

The USB SoundWave 7.1 Pro from SIIG is a high-quality USB sound card for Windows PCs. The card supports 7.1 surround sound via the included S/PDIF optical adapter. It also supports standard stereo output via the 1/8" (3.5mm) connection. A standard microphone input is also present. The card is an excellent choice for anyone who would like to add 7.1 digital audio output to a PC.Minimize
Manufacturer:SIIG Product MPN MPN | CE-S00022-S1 | Key Features Card Interface | USB | Output Mode | 7.1 Channel Surround | Bit Depth | 16-bit | Form Factor | External Device and Plug-In Card | Compatible Audio Standards | DirectSound • A3D • EAX | Signal to Noise Ratio (SNR) | 93.1 dB | Technical Features External Hub Connectors | 1 x Optical SPDIF In/Out • 1 x Microphone In | Frequency Response | Miscellaneous | Package Qty | 1 | UPC | 662774001807 |
Tags:siig, ce-s00022-s1,
| ASUS ASUS XONAR DX PCI EXPRESS 1.0 RET$79.00 to $132.00

The whole audio architecture landscape has been changed. This has resulted in teething problems for gamers - with the possibility of losing all surround sound or hardware accelerated Direct3D and EAX while gaming in the Windows Vista environment.
Manufacturer:ASUS Product MPN MPN | XONAR DX 7.1 | Key Features Card Interface | PCI Express | Bit Depth | 24-bit | Form Factor | Plug-In Card | Compatible Audio Standards | Dolby Digital EX | Signal to Noise Ratio (SNR) | 116 dB | Technical Features On Board Connectors | 1 x Aux Audio in • 1 x Line In • 1 x SPDIF | Frequency Response | | Max. Sample Rate | 192 kHz | Installed Memory | 256 MB | Audio Amplifier | Integrated | Miscellaneous Package Content | PCI Express Audio Card | Package Qty | 1 | UPC | 610839034253 |
Tags:asus, asus, xonar, dx, pci, express, 1.0, ret,
| Creative Labs PCI Express Sound Blaster X-Fi Titanium$80.00 to $149.00

Get extreme audio performance from your PC with the PCI Express Sound Blaster X-Fi Titanium sound card. You'll hear realistic EAX 5.0 sound effects and 3D positional audio in your games that's so accurate you can locate opponents by sound - even over normal stereo headphones.
Manufacturer:Creative Technology Key Features Card Interface | PCI Express | Output Mode | 7.1 Channel Surround | Bit Depth | 24-bit | Form Factor | Plug-In Card | Compatible Audio Standards | DTS • DTS-ES • Dolby Digital EX • ASIO 2 • EAX • ASIO | Signal to Noise Ratio (SNR) | 109 dB | Technical Features On Board Connectors | 2 x SPDIF • 4 x Line Out | Max. Sample Rate | 192 kHz | Miscellaneous Package Qty | 1 | UPC | 54651146730 |
Tags:creative, labs, pci, express, sound, blaster, x-fi, titanium,
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The Delta 44 offers the same features and high performance as the Delta 66, but is designed for the person who does not require S/PDIF digital I/O. The Delta 44 features the same 24-bit 96kHz converter section that makes the Delta 66 the envy of the audio card community. And like the Delta 66, the Delta 44s breakout box handles 4 balanced or unbalanced, +4dB or -10dB signal level analog inputs and outputs. Also included is the Delta control panel software, which configures the card and controls digital mixing and routing.Minimize

Transforms your PC into a home theater system with multi-channel surround sound Compatible with Microsoft USB Multi-channel driver and all standard Windows games Auto-detects audio stream for DVD, MP3, Wave, Audio CD, MIDI formats and many others Easy Plug-n-Play installation Allows you to play DVDs on your PC and send Dolby Digital or DTS Surround Sound data (DD/DTS Pass Thru) to your decoder/receiver/amplifier for a truly amazing home theater experience InterVideo WinDVD (software DVD player), USB cable and fiber optic cable are included .Minimize

The Xonar DS boasts 107dB SNR, which is 12 times clearer than most onboard audio solutions. By eliminating 91% of background noise, the Xonar DS lets gamers hear every detail in the game audio, allowing them to locate enemies from a distance and thus giving them the edge in their games.

Toshiba : 4CHVOUT 4 Channel Analog Out Card to be used with Toshiba Surveillix DVR'S