5.1 Audio Decoder Board DAC Board Optical Coaxial to Analog AVN-DTS-5.1 for Amplifiers Speakers. - 1 x DAC Board. 5.1 Audio Decoder. Multiple audio input port, Optical 2, Coaxial 1 and 3.5mm AUX 1; through the chip the audio will transfer into stereo quality sound as output.
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