Just get a standard one and save your $$$s. It will make no difference to the sound. Juice is juice.
And ask the hospitals why they spend money on upgrades - here in UK that's taxpayers' money.
In 70+ years of living I have never had a 'wall receptacle' fail in UK, although the design and construction in US and France leave something do be desired because of their 110 volt systems (France went to 220v a long time ago, but kept the same Mickey Mouse kit).