When you pair up the mojo does it matter what pair it up with? I am using it with my lg G4 at the moment but would there be any sound differences with for example a HTC 10?
One of the biggest factors in how good a smartphone will sound with Mojo is whether or not you are able to minimise any stray RF by using it in airplane mode.
In other words, almost any phone
(as long as it is not interfering with the bitstream by DSP or EQ or upsampling) will sound good with Mojo as long as RF is minimised as much as possible.
To put it yet another way, a cheap smartphone in airplane mode is likely to sound at least as good as an expensive smartphone that isn't in airplane mode, and probably better (if you decide to buy a cheap smartphone, just to use with Mojo, in airplane mode, then check that it is
compatible with USB Audio Player Pro (UAPP), so that Android's automatic upsampling can be bypassed, and check that the smartphone definitely supports USB audio output).
However, some people find that some DAPs with a co-axial connection to Mojo sound (to their tastes) slightly better than other DAPs with a co-axial connection to Mojo.
Similarly, some people find that some DAPs with an optical connection to Mojo sound (to their tastes) slightly better than other DAPs with an optical connection to Mojo.
So, there are possible small nuances in how well the digital-output of different devices has been designed and implemented.
This is why it can be a controversial topic.
But, Rob assures us that Mojos
measured digital performance is equivalent, across all Mojos connection types (USB, optical, co-axial). You can read about this in Rob's discussions, which you will find in
post #3 (
'Detailed & in-depth Information on Mojo, by Rob Watts' > 'Does Mojo measure different performance depending on which input is used?'), and also in the section entitled
'Is one of the input types better than the others?', further down the page, in post #3.
Nuances aside, and
broadly-speaking, the main thing, no matter what transport device you choose to feed a digital signal to Mojo, is to try to ensure RF is being minimised, and ensure that the device is not tampering with the purity of the bitstream prior to sending it to Mojo. The RF issue can slightly favour choosing optical transmission, since this is relatively invulnerable to RF (I say relatively, because although the connection itself may be immune to RF, it doesn't automatically make Mojo totally immune to stray RF in the immediate environment).
This is not unique to Mojo - all electronics, all DACs, all DAC-Amps, are susceptible to slightly-reduced audio performance in the presence of RF - that's just the way life is.
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