With this 7.1-channel PCIe sound card, you can create a high-quality home theater sound system. It features SPDIF input and output ports that deliver crystal-clear optical digital audio for the ultimate listening experience. The versatile sound card can be used with a variety of audio devices. Thanks to the optical SPDIF digital output or the analog 3.5mm output, you don't have to worry about the connection types of your devices. You can output digital audio to your optical receiver or DAC, or analog audio to your sound system.