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WiiM Pro - Review & Measurements (Streamer)
- Thread starter VintageFlanker
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- measurements review wiim pro
nanook
Senior Member
Only WiiM knows, but the WiiM Pro and WiiM Pro Plus share the identical PCB and housing, so I'd expect them to be the same.
The Ultra has a different housing, so the acoustic side is different and will lead to slight differences in the kHz region.
I am currently trying to decide to buy the Mini or the Pro (or raspberry pi + spdif hat). I just bought a Marantz 6007, and want to buy a streamer to feed a digital signal into it. Some reviews on youtube mention that the spdif output on the mini sounds crap compared to the one of the Pro. I would think data is data, but then words like jitter get thrown in and now im confused ...
Were the measured results of the Mini (i see you also reviewed it in 2022) any different versus the ones from the Pro? Should i just buy the Mini or go with the Pro? If there is a difference, i will shell out the cash, but i dont want to buy snake oil.
Were the measured results of the Mini (i see you also reviewed it in 2022) any different versus the ones from the Pro? Should i just buy the Mini or go with the Pro? If there is a difference, i will shell out the cash, but i dont want to buy snake oil.
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The spdif output of the wiim mini is without complaint. This is evidenced by both measurements and direct comparison with other streaming receivers. On the other hand, I would personally choose the wiim pro because it is more versatile. For example, it can work as a squeezelite receiver.
antcollinet
Grand Contributor
If connecting digitally there is no difference between mini and pro. That nonsense about jitter is just more audiophile FUD. In the test here, Toslink out achieved 140dB plus of SINAD, just as it should.
Consider the pro though, if you might want to take advantage of the PEQ room correction. I would.
Hi!
I also don't think that there is a difference regarding optical or coaxial digital connection - I don't hear a difference.
I have both, the Mini and the Pro.
The Pro is always in my main system; beside room correction I like its coaxial digital out, because I had only that available on my DAC. I'm not using it, but coaxial lineout is nice as well.
The Mini is my travel companion, be it in my house in other rooms if needed, or when I'm really travelling.
So both have their Pros & Cons...
squeezewhat? I am only going to use spotify connect, and maybe airplay.
nanook
Senior Member
That's a really good point. I did decide for the Pro mainly because it has more resources (CPU and memory). I thought that the Pro might be able to support future features that the Mini might not.
Now I'm using the PEQ for room correction with both of my setups (yes, the speakers / speaker positioning does have flaws ;-) ) and I do not want to miss this feature anymore. I used REW with UMIK-1 in the end and I've not yet arrived at my personal "house curve", but even using the built-in room-correction with an external mic was already a big step forward to get the tonality right.
Venkyrenga
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Is the problem with eq fixed? Or do we still have to reduce the volume to 95% to be able to use the eq without considerable degradation in the sound quality as mentioned in the OP.
I think @antcollinet
you are aware as of recently, but as an update to others, the Mini has had a recent update adding room correction. Quite a treat for sub $100 entry price. I’m going to be able to use it in a couple locations
antcollinet
Grand Contributor
Not when I made that post though.I think @antcollinet
Why I wrote you are aware as of recent developments. Just recognizing that fact.
But wanted to highlight for anyone reading now the Mini now has rc if comparing WiiM devices.
antcollinet
Grand Contributor
Fair enough.Why I wrote you are aware as of recent developments. Just recognizing that fact.
Yorkshire Mouth
Major Contributor
I may be totally wrong on this, and would appreciate others' input.
Surely the grunt just needs to be in your phone, and modern smartphones should have more than enough.
So the phone sends the signals to the WiiM to play, which if course we know it can do, then the phone reads the noise coming from the speakers, measures it, analyses it, calculates the necessary EQ, then sends those details to the WiiM.
Indeed, from my own point of view, and I again I'd appreciate others' input, I'd find it bizarre to do it any other way. Your phone should have far more processing power than it's worth building into the WiiM. Why, when you have a pretty powerful mini-PC in the form of a smartphone, would WiiM pay to put a load of extra, expensive processing into the WiiM, rather than the app? Doing all the expensive processing in the WiiM itself, instead of having the app use the free smartphones processing, would appear to be wilfully perverse.
antcollinet
Grand Contributor
That is for creating the filter parameters as part of the measurement process.
But once the filters are set up, they have to be implemented/calculated by DSP while the music is playing. This is where the grunt is needed in the MiniDSP.
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