Now we have supported HD, Ultra HD with WiiM Home app. Please check the bitrate of Amazon Prime Music.
The bitrate of Amazon HD/UHD:
| Quality | Sample Rate (kHz) | Bit Depth (bit) | Codec | BitRate |
| UHD | 192000 | 24 | Flac | 5 789 782 |
| UHD | 192000 | 24 | Flac | 4 850 751 |
| UHD | 192000 | 24 | Flac | 4 273 210 |
| UHD | 96000 | 24 | Flac | 2 967 948 |
| UHD | 48000 | 24 | Flac | 1 803 128 |
| UHD | 44100 | 24 | Flac | 1 213 388 |
| HD | 44100 | 16 | Flac | 387 566 |
