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WiiM Ultra
- Thread starter MKR
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To be precise: the CD standard is 44.1 kHz. Sonos does what it claims. And it downsamples Amazon Music Unlimited’s 192/24 to 48/24 (on its more recent products).
one of the strangest things about this product is that you have a slew of youtubers who do not even have this product in their hands to review but they are SURE this device will not sound as good as a $1k+ "established" streamer even if they are all connected to an external 'reference' dac
they are often doing the "Andrew Robinson" thing where they are certain the cheaper product, the 'market disrupting' product cannot compete with 432 or eversolo or cocktail or something truly 'Hi-fi' and there some inherent 'danger' with supporting a $329 product vs. a $1,329 product...
some cant even define a fault, there's just something not quite right with even the existence of such a product in our universe
they are often doing the "Andrew Robinson" thing where they are certain the cheaper product, the 'market disrupting' product cannot compete with 432 or eversolo or cocktail or something truly 'Hi-fi' and there some inherent 'danger' with supporting a $329 product vs. a $1,329 product...
some cant even define a fault, there's just something not quite right with even the existence of such a product in our universe
You mean like these guys:
In fairness they actually tested one but they do struggle to say exactly how it isn't as good as more expensive streamers when hooked up to their high dollar McIntosh system using an external Chord DAC. I'm not sure exactly how WIIMs bits are different but something to do with "soundstage" yadda yadda.
I haven't seen anyone else who has actually tested a production model yet.
In fairness they actually tested one but they do struggle to say exactly how it isn't as good as more expensive streamers when hooked up to their high dollar McIntosh system using an external Chord DAC. I'm not sure exactly how WIIMs bits are different but something to do with "soundstage" yadda yadda.
I haven't seen anyone else who has actually tested a production model yet.
JustCoolin‘
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A few people in the comments ask whether this would sound better than the Pro/Pro Plus when using an external DAC - apparently “yes”, if your system is “revealing enough”, according to the channel’s replies.
Bitperfect being better than bitperfect….
Bitperfect being better than bitperfect….
Yorkshire Mouth
Major Contributor
You are right. But the Pro Plus is measured and tested as being transparent to the source.
Whilst we don’t yet have absolute knowledge of the Ultra’s performance, it’s extremely likely that it’ll measure at least as well as the Pro Plus.
By the way, WiiM’s own Q&A says of the Ultra “The digital output is transparent, comparable to the Pro Plus but with improved jitter performance.”
Jitter on the Pro Plus is measured at -130dB, well below the threshold of audibility.
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What else would affect the DAC (assuming you are talking about the common async USB connected DACs)?
Would you provide me links to the jitter analysis of the Pro Plus digital output? Or to the electrical noise measurements over the coax output?
Yorkshire Mouth
Major Contributor
WiiM Pro Plus Streamer Review
This is a review and detailed measurements of the WiiM Pro Plus streamer, DAC and preamplifier with Bluetooth support. It was sent to me by the company and costs US $219. While the case is plastic, it still "looks the part" as the Brits would say relative to other more famous brands of...
audiosciencereview.com
-130dB. One would presume that if it can measure that well over analogue…
While I will not go into details, I will just remind that the Ultra is not giving a freedom of the PSU used.
Yorkshire Mouth
Major Contributor
With the PSU used, it’s transparent.
Which part of the above answers my questions?WiiM Pro Plus Streamer Review
This is a review and detailed measurements of the WiiM Pro Plus streamer, DAC and preamplifier with Bluetooth support. It was sent to me by the company and costs US $219. While the case is plastic, it still "looks the part" as the Brits would say relative to other more famous brands of...
-130dB. One would presume that if it can measure that well over analogue…
Jitter over which of the digital outputs?
Being "transparent" guarantees that there are no measurable differences between devices?
An electrical noise can still affect the receiver.
And I didn't assume that async USB audio is the only way.
When I think of Bob Seger I think of the mediocrity of FM radio that streaming freed us from.
Turn the page...
Turn the page...
Sure, if it isn't async USB DAC then you can conceivably affect the output because you might be using the clocks from source instead of DAC and hence be dependent on their quality. Almost certainly that won't cause any audible difference but still it will be a quality differentiator - but I think pretty much most decent DACs are going USB now and that would be the sensible buying choice these days.
And electrical noise, really? Even if you think that's likely you can get a USB optical isolator for peanuts that would eliminate this entirely so we are back to all bit perfect streamers sounding exactly the same (for USB DACs) and probably for others as well.
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