<p>Features:</p><p>Multiple protection: This product has built-in overvoltage, overcurrent, leakage and short circuit protection devices, which are safer and more reliable to use.</p><p>5. Sample rate up to 48KHz: This product supports sampling rates of 32 KHz, 44.1 KHz and 48 KHz in digital and analog recording and digital/analog audio playback. In digital playback mode, it receives audio streams from a PC via a USB interface and transmits audio data according to AES/EBU, IEC 60958, S/PDIF consumer interface standards. Only R, L channel PCM audio in 5.1 channel can be transmitted in digital playback mode. In analog playback mode, it supports 6-channel codecs for analog playback. In digital recording mode, it receives S/PDIF digital audio input and sends back to PC.Three sample rate via USB; including 32KHZ, 44.1KHZ internal auto lock, in analog recording mode, analog recording supports a fixed 48khz sampling rate.</p><p>Descriptions:</p><p>1. This external sound card provides a high quality solution for upgrading your PC or laptop audio, supporting professional 5.1 channel output and fiber SPDIF output, PC + sound card + amplifier and 5.1 speaker. You can set up your digital home theater to enjoy true AC-3 or DTS surround sound, or connect directly to 5.1 powered speakers.</p><p>2. This product is very suitable for HTPC home theater and friends with high sound quality requirements (such as watching movies/games/K songs), plugging in ordinary headset voice chat and online karaoke.</p><p>Specifications:</p><p>Color: Blue</p><p>Interface: USB</p><p>Input and output interface: linear input, fiber optic SPDIF</p><p>Support channel: 6 channels</p><p>Chip: CM8206 Sound Support </p><p>Direct Sound: 3D</p><p>Installation method: external</p><p>Sampling rate: 32KHz/44KHz/48KHz</p><p>Support system: for Win98/ME/2000/XP/VISTA/WIN7/WIN8, for MAC OS9.1</p>Package Included:<br>1 x USB Optical S/PDIF Audio Sound Card<br>1 x drive disc<br>1 x data line<br><br><p></p>