On Sun, 22 Nov 2020 14:12:52 +0000, Adrian wrote:

>> Why USB? A Pi will do audio out without any extras, apart from
>> perhaps a small analogue amplifier. Certainly well enough for a
tiny
>> speakers.
>
> My reading up on this before I started was that I would need an amp of
> some description if I used the audio out, and space is limited,
> particularly if I need to add in an extra power supply, so a basic Pi
> powered is preferred.

Quite a number of Pi powered DAC solutions some with on board amps.
For tiddly speakers and non-HiFi you don't need masses of power or
high voltage (ie > 5 V) power rails. 4 V (to avoid clipping and have
a bit of headroom) into 8 ohms is 2 W or so, more than enough.

--
Cheers
Dave.

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