# \#pss-480

**URL:** https://forums.syntaur.com/tag/pss-480/2786.md

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## [Yamaha PSS 480 no sound](https://forums.syntaur.com/t/yamaha-pss-480-no-sound/9537)

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**Author:** [@Uptightcultist](https://forums.syntaur.com/u/Uptightcultist)\
**Replies:** 0\
**Last updated:** [August 18, 2026, 3:17am UTC](https://forums.syntaur.com/t/yamaha-pss-480-no-sound/9537 "2026-08-18T03:17:30Z")

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Yamaha PSS-480 turns on but no sound. I bought a cheap Yamaha PSS 480 on shopgoodwill and it didn’t come with a power supply. I grabbed one I had laying around and that’s when I found out about different polarity power …