If you are having difficulty getting the speakers working with Ubuntu installed follow these steps
Out of the box the sound sources are 'muted' so it is just a matter of unmuting them. Here is what I did in detail (pay attention to matching Left with Left and Right with Right, otherwise you might end up with swapped channels).
1. Open a Terminal (ctrl-alt-T) type 'alsamixer' and hit enter
2. Top left of the terminal make sure that '[Playback]' is highlighted in yellow, either hit the 'Tab' key to cycle through, or 'F3' (refresh button) to select it.
3. Press the 'm' key which will toggle un-muting/muting for that specific Item. There are many options in alsamixer so you have to read carefully for the correct items listed in items 4 and 5.
4. Left Speaker Mixer Left DAC1
5. Right Speaker Mixer Right DAC1
6. After you've enabled all these channels you should test them.
7. Use ALT-Q to exit out of AlsaMixer
Out of the box the sound sources are 'muted' so it is just a matter of unmuting them. Here is what I did in detail (pay attention to matching Left with Left and Right with Right, otherwise you might end up with swapped channels).
1. Open a Terminal (ctrl-alt-T) type 'alsamixer' and hit enter
2. Top left of the terminal make sure that '[Playback]' is highlighted in yellow, either hit the 'Tab' key to cycle through, or 'F3' (refresh button) to select it.
3. Press the 'm' key which will toggle un-muting/muting for that specific Item. There are many options in alsamixer so you have to read carefully for the correct items listed in items 4 and 5.
4. Left Speaker Mixer Left DAC1
5. Right Speaker Mixer Right DAC1
6. After you've enabled all these channels you should test them.
7. Use ALT-Q to exit out of AlsaMixer
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