Dana Sun, 22 Nov 2020 11:44:51 +0000, Adrian  napis'o:
> I'm looking for a simple USB speaker for a Pi 3.  I'm not after HiFi
> quality, just something that will play a simple MP3 file when required.

https://www.aliexpress.com/item/32916376092.html
And plug in any speaker and you've got a USB speaker.

>
> Various search engines are not being my friend on this, I have tried a
> simple one sourced via Amazon, which is billed as being suitable for a
> Laptop, but whilst it works fine on Windows, it won't play on my Pi.
> When plugged in I get a low volume of white noise, but it fails when I
> try to run it.
>
> Running speaker-test -c2 I get a short clicking noise then

alsamixer and turn up the volume.

>
> speaker-test 1.1.3
>
> Playback device is default
> Stream parameters are 48000Hz, S16_LE, 2 channels
> Using 16 octaves of pink noise
> Rate set to 48000Hz (requested 48000Hz)
> Buffer size range from 2048 to 16384
> Period size range from 1024 to 1024
> Using max buffer size 16384
> Periods = 4
> was set period_size = 1024
> was set buffer_size = 16384
>   0 - Front Left
> Write error: -5,Input/Ouput error
> xrun_recovery failed: -5,Input/Ouput error
> Transfer failed: Input/output error
>
> Any suggestions ?

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