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XBOX ONE controller as a USB DAC... WHAAAAATTTT?

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May 29, 2019
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#3
Hahahahaha that's genius.
 
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Jun 6, 2019
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#5
I find the PS4 controllers headphone amp more refined and capable in the low to midrange end, whereby the XBoxOne struggles to handle fast transients. After hooking both up to a JDLabs Atom, The DAC on the XBox One controller loses again to the PS4 in overall visceral sonics. I don’t think Amirm should waste his time with the XBox One controller, but would love to see the PS4 standard controller head to head with the Scuf Gaming units that have a more refined DAC and slightly higher amplified output.
 
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#8
Xbox has a deeper black background for sure.
 
Joined
Mar 17, 2018
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#9
I've just measured my Sony DualShock 4 v2 controller and actually it's pretty decent! It's on par with cheaper Topping/SMSL devices and easly beating "audiophile" Audio-GD or Woo Audio products ;)
DS4 headset output to Audient iD4 line in. No external load, just iD4 input. There is clipping at 0dBFS so testing was done at -1dBFS. Controller was connected to PC by USB cable. Bluetooth audio is supported just by official Sony wireless adapter, games run fine with generic bluetooth dongle and DS4Windows or Steam software. Controller is limited to 16 bit / 32kHz sampling rate. Frequency response is flat with -3dB point at 14kHz - sorry, no hires audio there :p Idk, maybe higher sampling rates are available with Sony dongle.
DS4.png
 
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#10
I've just measured my Sony DualShock 4 v2 controller and actually it's pretty decent! It's on par with cheaper Topping/SMSL devices and easly beating "audiophile" Audio-GD or Woo Audio products ;)
DS4 headset output to Audient iD4 line in. No external load, just iD4 input. There is clipping at 0dBFS so testing was done at -1dBFS. Controller was connected to PC by USB cable. Bluetooth audio is supported just by official Sony wireless adapter, games run fine with generic bluetooth dongle and DS4Windows or Steam software. Controller is limited to 16 bit / 32kHz sampling rate. Frequency response is flat with -3dB point at 14kHz - sorry, no hires audio there :p Idk, maybe higher sampling rates are available with Sony dongle. View attachment 27677
But does it measure better than Sony's UDA-1?
 
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Mar 17, 2018
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#11
According to Amir's rewiew DS4 beats UDA-1 with power amp running. Otherwise, in pure DAC mode UDA-1 is a few decibels better. 32kHz max sampling rate is a serious limitation tho. Keep in mind that my measurments aren't exactly proper. I did just simple FFT, no output power measurments and etc. Someday maybe I will make a bit more meaningful test with APx525 and output load.
 
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#12
According to Amir's rewiew DS4 beats UDA-1 with power amp running. Otherwise, in pure DAC mode UDA-1 is a few decibels better. 32kHz max sampling rate is a serious limitation tho. Keep in mind that my measurments aren't exactly proper. I did just simple FFT, no output power measurments and etc. Someday maybe I will make a bit more meaningful test with APx525 and output load.
That’s still pretty silly, even with the sampling rate bottleneck. The UDA-1 performance is abysmal for the MSRP.
 
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Mar 27, 2019
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#13
There are measurements, and then there is interpretation of measurements.

We need to think about how audible the differences are i.e. give weighting’s to the measurements.

The difference of 4-7 dB of harmonic distortion difference and noise in the line outs at that level e.g.
-72 to -75 dB THD+N (UDA-1 @ max volume) compared to
-79dB THD+N (DS4 @ volume -1dBFS)
will be very challenging if not impossible to discern.

But when connecting a headphone to the DS4, (ie. a load) we have are no directly comparable results for 33 or 300m ohms.

Nevertheless, a high frequency roll-off of 14 kHz of the DS4 will result in audible reduced treble extension or “air”

So the advantage goes to the UDA-1 in that respect.

On the other hand, the UDA-1 has an output impedance of over 300ohms! which will cause large fluctuations in the frequency response (many several dB) for virtually all headphones with dynamic drivers. The actual fluctuation depends on the impedance of the connected headphone. For high impedance eg. 300 headphones there will be a couple of dB boost in the mid-bass. This may be quite enjoyable this some people. Only headphones which have a flat impedance curve eg. Planar magnetic, will be spared of the FR fluctuation.

So the UDA-1 and DS4 is a example where DACs/ headphone amps will sound notable difference. The type that can cause great curiosity to the tweakazoid audiophile.

In my opinion the DS4 dac/headphone is for gaming- sound effects and background music. In designing for low latency I suspect the decision to reduce the sampling rate, and hence high frequency response, was to reduce the bandwidth for signal transmission.

And so it is, perfectly suitably for that task, not primary music listening.
 
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