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How to set the high-definition sound output of Pioneer 520 power amplifier?
1, turn on the Pioneer 520 power amplifier.

2. Find the volume adjustment button and adjust the treble, alto, bass and left-right balance of music and wheat to the middle position.

3. Select the switching access device, click Set to hd sound output, and then click OK.

4. You can set the Pioneer 520 power amplifier to output high-definition sound.