feature<br> Supports AES/EBU, IEC60958, S/PDIF<br> Truly supports 5.1 channels and 7.1 channels. Can connect to 5.1 speakers<br> Up to 48KHz sampling rate, supporting 32KHz/44KHz/48KHz digital recording function<br> The sound card fiber output only supports a sampling rate of 48KHz, so DTS-CD is 44KH and requires conversion to listen<br> Support Win98/ME/2000/XP/VISTA/WIN7/WIN8/MAC OS9.1 (only 2 channels can be used in MAC)<br> Playback and recording of full duplex audio streams without the need for a built-in PC sound card<br> USB 2.0 is backward compatible with USB 1.1;<br> Compatible with audio device specification V1.0;<br> Supports USB full speed transmission specifications up to 12Mbps;<br> 3 input terminals (one of which is a fiber optic input)<br> 3 output terminals and 1 fiber optic output terminal;<br> Output: 5.1 channels+fiber SPDIF<br> Composition: PC+sound card+amplifier and 5.1 speaker<br> Applicable to: HTPC home theaters and friends with high audio quality requirements (such as watching movies/games/karaoke), can be plugged into regular earphones for voice chat and online karaoke.<br> Other: Enjoy real AC-3 or DTS surround sound effects in your digital home theater or connect directly to a 5.1 active speaker.<br> Packaging includes<br> 1 * Sound card<br>Note: <br>1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. <br>2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!<br>About Shipping: <br>1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly.<br>2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.<br>3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping!