https://www.audiosciencereview.com/forum/index.php?threads/soncoz-sgd1-audio-dac-review.10295/page-45
SONCOZ SGD1 Audio DAC Review | Page 45 | Audio Science Review (ASR) Forum
SGD1's "Volume led" is now flashing: what does this mean ? MUTE Press the mute button on the handset to unmute
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