6 Channel 5.1 Optical SPDIF Sound Card USB Audio Output Adapter External for PC Product Feature: USB sound is and USB audio controller. It supports 32KBz, 44.1khz. (which two need driver or application software support) and 48Khz sampling rate in digital recording, 48KHz sampling in digital\analog audio playback. In digital playback mode, it receives audio stream form PC via USB interface and transmits audio data according to the AES\EBU, IEC60958, S\PDIF consumer interface standards. Only R L channel PCM audio in 5.1 channel can be conveyed in digital playback In digital recording mode, it receives S\PDIF digital audio input and sends back to PC through USB. Three sampling rates, includes 32KHz,44.1KHz are automatically locked internally. In analog recording mode, fixed 48KHz sampling rate is supported. OS Support: Win98 / XP / 2000 / Vista / Win7/8/10. Product Specification: Type: USB Sound Card and Driver Mini CD Chipset: Cmedia CM6206 Color: Black Inputs: SPDIF in, Line in, Mic in Outputs: SPDIF out, Front out, Rear out, Cen/Bass out Sampling Rate Support: 32KHz, 44.1KHz and 48KHz sampling rate in digital and analog recording USB Compliant Support: USB specification V1.1, USB audio device class V1.0 Transmission Speed: Full speed 12Mbit Package Included: 1 x USB Sound Card 1 x Driver Mini CD 1 x Mini USB Cable