Product Description Mini PCM2704 USB sound card / DAC decoder board , size : 12 * 49MM ( including terminals ) . USB powered , analog output directly plugged into the computer 's USB port, eliminating the need for connection. BB's main chip PCM2704 USB decoder chip HIFI level , its performance is superior to low-end market, the most commonly used chip CM102S series , power supply with USB power supply , the output can be directly connected to the headset , but also do pre- Digital outputs can be the DAC more advanced decoder provides SPDIF digital signals to obtain better sound quality due to the external sound card , within the enclosure to avoid serious electromagnetic interference , SNR and sound quality can be improved.
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