Welcome to the store! 15.1 Channel: This USB sound card adds up to 5.1 channels of audio via a single USB port to your computer, supporting 5.1 and 2-channel output. 2Multiple Interface: This external sound card has Mic IN, Spdif IN, Spdif Out, Line IN, Front Out, Rear Out, Cen/Bass Out, USB IN. 3PC Audio Upgrade: This 5.1 sound card supports analog and digital audio output for stereo to 5.1 channel audio applications, upgrading the existing integrated audio on a desktop or laptop. 448kHz Sampling Rate: This USB sound adapter supports 48kHz sampling rate for analog playback and recording. 5Easy Installation: This 5.1 channel sound adapter can be easily installed, suitable for Win XP, for Vista and for Win 7. Item Type: USB Sound Card Material: Aluminum Alloy Compatibility: Compatible with SES/EBU, IEC60958, S/PDIF format for stereo PCM audio Sampling Rate: 48kHz fixed sampling rate Analog Recording Function: Supported SCMS Copy Protection: Supported Operating System: Suitable Win XP, for Vista and for Win 7 Function: Support Full Duplex Play/Audio Stream Recording on PC Data Rate: Compatible with USB Full Speed 12Mbit serial data transmission Inputs: 3 Outputs: 3 5.1 Channel Play Multi Channel Audio Code Interface: Supported Traditional Playback of 2-Channel Audio Source: Supported 1 x USB Sound Card 1 x CD 1 x USB Cable Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!