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Mity

macrumors 6502a
Original poster
Nov 1, 2014
798
728
Does sound quality of the AirPods Max vary by device? Is there any difference between sound quality on listening via Apple Watch vs. iPhone/Mac?
 

arw

macrumors 65816
Aug 31, 2010
1,239
983
I doubt there is any difference.
For Mac/iPhone/iPad it is well documented that sound is transmitted as AAC 256 kbps (and I don't hear the slightest difference between them).
For the Apple Watch I have not found hard data but I'd be surprised if Apple suddenly deviates from its audio standard only for this single device. [/assumption]

The optional headphone cable converts analog signals to 24 Bit/48 kHz and feeds that digital signal into the APM so theoretically there should be an improvement versus Bluetooth if the source material is high enough.

Of course if you store/stream music in a lower bitrate on/to the Apple Watch to save space/traffic the resulting quality on the Airpods decreases accordingly.
 

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