The WiiM Home app supports Amazon Music HD and Ultra HD (UHD):

  • Amazon Music HD offers lossless audio at 44.1 kHz / 16-bit.

  • Amazon Music UHD provides higher resolution audio in 24-bit, with sample rates ranging from 44.1 kHz up to 192 kHz.


The table below summarizes the available quality levels: 


QualitySample Rate/Bit Depth
UHD192 kHz / 24-bit
96 kHz / 24-bit
48 kHz / 24-bit
44.1 kHz / 24-bit
HD44.1 kHz / 16-bit


When playing music, you can check the exact sample rate by going to Now Playing in the WiiM Home app.