ESI GigaPort HD

This is an external USB sound card from ESI, which stands out in a number of ways, above all in price/performance ratio. It provides up to 8 independent outputs with support for spatial 7.1 audio 2 independent stereo headphone outputs and excellent audio quality supporting up to 24-bit/96 kHz. GigaPort HD + also works on desktop computer and is compatible with all major and professional audio applications.
Channels can be assigned independently of any modern DJ software for Mac OS X and Windows. Compatibility for Windows XP/Vista/7 - 32/64 bit provide ASIO 2.0 Drivers and Max OS X CoreAudio drivers. 
With its small dimensions and solid aluminium design, the card is suitable for traveling. It is powered via USB interface. It comes with a free Deckadance LE program from Image Line Software, powerful DJ software created specifically for DJs.
Additional information:
Converter:
24-bit/96kHz D/A
Interface:
8x independent output (RCA phono)
2x stereo headphone output
Modes of play:
16-bit/44.1kHz - 8 channels
24-bit/44.1kHz - 6 channels
24-bit/48kHz - 6 channels
24-bit/96kHz - 2 channels
Compatibility:
Windows XP, Vista, 7 - ASIO 2.0, WDM, MME (EWDM technology from ESI)
Mac OS X - native support for CoreAudio
Dimensions:
12 x 7 x 2cm
Dj software:
Deckadance LE