External USB 5.1 Channel Sound Card. Small and Compact. Easy-to-Connect Plug-n-Play USB Interface. Digital Analog Output. This product supports both optical and coaxial types of digital outputs along with analog 5.1 channel outputs. 3 Volume Controls. Amplifier included. A built-in amplifier provides full sound and ease of use. MODEL: ZM-RSSC VENDOR: ZALMAN USA FEATURES: External 5.1 Channel USB Sound Card Small and Compact with Easy-to-Connect Plug-n-Play USB Interface. Supports both optical and coaxial types of digital outputs along with analog 5.1 channel outputs. Three Volume controls provide independent level adjustments for the Front Rear and Center/Subwoofer output channels. (For digital output the volume can be controlled by a volume control on a speaker.) A built-in amplifier provides full sound and ease of use. Includes Sound Card Main Board USB Cable Utility Installation CD User s Manual (including a Warranty). SPECIFICATIONS: -INPUT - (1) USB Connection Port (USB 1.1/2.0 Compatible) OUTPUT - (3) 3.5mm Stereo Jack (Front Rear Center/Subwoofer) 0.6W per channel (1) Digital Port (Both Optical Coaxial capable of outputting 5.1 channels) CHIPSET - Sonix 5.1 Sound SAMPLING RATE- 24-bit 96KHz D/A A/D ConverterREQUIRES - Pentium III 700 MHz or higher (1GHz or higher recommended) or Celeron 1GHz or higher. 256MB RAM Extra USB port (compatible with USB 1.1/2.0) Windows 98SE/ME/2000/XPPOWER- Consumption Minimum 3.3V 150mA (Standard 5V 500mA) SIZE - 3.2quot;w x 0.6quot;h x 4.32quot;d MANUFACTURER WARRANTY:nbsp;nbsp;1 YEAR