Output: 5.1 channels+fiber SPDIF. USB 2.0 External 7.1 Channel Sound Card 3.5mm Stereo Headphone Adapter Laptop PC. Truly supports 5.1 channels and 7.1 channels. Can connect to 5.1 speakers. Playback and recording of full duplex audio streams without the need for a built-in PC sound card.
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