The PSU it ships with weighs like 70g and has interchangeable tips for all sockets and is made for 110v-240v 50Hz-60Hz. They just threw in the most universal thing they could find I guess that worked with the RNHP’s design.
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I’ve tried a fair amount of psu’s on the rnhp and the stock one always sounded the most natural to my ears. It is sensitive to noise though. I’ve tried a sbooster one
and while I think it made the amp more enjoyable with harder to drive headphones, it did kinda make it a bit less neutral which was a trade off I didn’t want to make
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Holy mother of PSUs that thing is larger than my stationary computer PSU LOL
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For that price, R&S NGE-series starts to look like cheap PSUs
Lol, I didn’t buy one, a friend was curious to see how it worked with the rnhp
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Just a quick mini-review again after being able to listen to it for little over an hour now again:
I’m so incredibly glad I went through the hassle and found a solution. The sound that’s coming out of the RNHP is just straight up incredible. It sounds so incredibly full and detailed compared to the Atom. It’s like an Atom on steroids with every aspect of it made better. Next step will be the Clear (Pros) 
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RNHP gang rise up lol, on the clear it’s just awesome
What do you think of the rnhp vs thx now?
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I can only speak for the SP200 but all in all:
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Bass seems to be a lot more refined on the RNHP and “controlled” if it makes sense. I can’t get rid of the feeling that the frequency response on the SP200 isn’t dead flat. Bass on the SP200 is more apparent in quantity but definitely not quality.
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Detail retrieval is at first similar but if you listen more closely and A/B with a switch box you can hear “unwanted” background nuances a lot more on the RNHP like the pedals on a piano. On one piece I could actually even hear the sostenuto pedal engaging the bass softening on a piano. I can’t hear this on the SP200 even if I concentrate desperately.
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Vocals are plain and simple clearer and don’t suffer from scratchy timbre whatsoever. It’s just clean and smooth and soft as you’d expect it to be. Flutes finally sound like flutes and not like cellos LOL
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Instrument separation is unreal. The SP200 sounds a lot more mixed for some reason. Badly mastered songs are barely listenable on the SP200 whereas on the RNHP it does a way better job at separating all the things which makes it lightyears more enjoyable.
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Channel separation is also a lot better on the RNHP. The effects I had described on the SP200 having to look at the waveforms to see if it was a channel imbalance or not is way more drastic on the RNHP. It’s insanely precise in that regard and you can make out the slightest deviations!
Only complaint is of course power, but so far I don’t have any headphones that require more than what the RNHP can handle (and probably will, still eyeing at the Clears!).
I think I’ll be extremely happy for a very long time now with this, it’s exactly what I had hoped for when I was looking for an upgrade from the Atom.
And all that thanks to an accessory that runs for 20 bucks
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It’s a good thing that works lol
Yeah I just think for the price, if you want to get a taste of what I would consider actually neutral and natural, the rnhp is there for you lol. Well glad you like it overall and it was at least worth some of the hassle lol
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What does the input plug look like, 2-flat, 3- prong, or you can choose?
Has anyone noticed that this guy is wearing his LCD-C’s backwards in this pic on the Rupert Neve website? Do you think that it’s on purpose and he wires them backwards also? Or maybe during a photo shoot they just handed them to a model and said “put these on and act like you’re operating that little box there.”
That sounds correct lol. Although I have seen people do this and swap the left and right so it’s fine, mainly so the cables aren’t in the way and behind them instead of hanging in front of them
Dirty DC in -> Clean DC out, that’s all 
It also comes with a male to male DC cable that goes from the purifier straight to my RNHP
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My inner 12 yo very much approves of their labeling scheme.
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Sorry, I wasnt clear. What is the plug type that goes into the wall socket?
Whatever you feed it. The current path is something like:
Your DC power supply -> palmer purifier -> your gadget.
Instead of directly plugging it into your amp / whatever it first goes into the purifier. So whatever your PSU uses
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Thank you for the clarifications. Too bad I cant find one locally.
If those differences are that subtle, is there a possibility that you are just imagining things via bias? If one amp is slighty louder like 1db, than you will think it has more detail… I guess they both sound exactly the same to us and we overestimate our human hearing. It’s the same with dacs, they all sound the same. Your Smartphone dac is as good as your 1000 dollar dac
citation needed
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From a datasheet spec standpoint, he is right.
All the super amazing high quality gimme-all-yo-moneyzz-DACs (except the wierd ones) use the same hand full of DAC chips, cheap, 8€ a pop chips.
And often those are used in smartphones because at 400€ material cost, 8€ more or less don’t matter anyway.
That is why I said “except the wierd ones” 
After me: FPGAs in volume production are cost prohibitive.
I never claimed they did.