WiiM Pro Plus + SMSL SU-1

Marcdg

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Joined
Jun 23, 2025
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Hi guys. I've been heating mixed reviews regarding adding an SMSL SU-1 dac for the WiiM Pro Plus. Some people say it makes a noticeable difference, and some say it's not worth it. To those who have tried this combo, what are your thoughts?
 
Welcome. Why not try yourself? The SU-1 is as cheap as a (quality) DAC can get. My opinion is that it doesn't make any difference but that doesn't mean that you should not try for yourself.
 
The WiiM Pro Plus and the SMSL SU-1 are both equipped with the same DAC chip, and should sound almost the same (barring any differences in hardware implementation).

I own a WiiM Pro (the version before the plus), which uses a different DAC chip, and although I found it satisfactory, I later combined it with an SMSL SU-1 and couldn't be happier with the outcome.

If I had purchased a WiiM Pro Plus, I probably would not bother using it with an SMSL SU-1, but there may be people here who have done that and noticed a benefit. Maybe they'll chime in.
 
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