WiiM Amp Pro Firmware v5.2.707244 Update - Feb 11, 2025

Please review theWiiM Amp Pro update release notes below. If you encounter any issues, feel free to reach out to us. This firmware update is being rolled out in stages, with devices updating sequentially over the next few days.

5.2.707244 (In Progress)

Release date:

02 / 11 / 2025

What's New:
  1. Simultaneous USB and Sub Output: Enjoy simultaneous USB and subwoofer output for an enhanced audio experience.
  2. Persistent Group Support: Enhanced quick selection and synchronization for multi-room audio across devices.
  3. Per-Source Group Audio Delay: Now allows adjustment of the group audio delay for each input source (requires upcoming app update).
  4. Replay Gain Enhancements: Replay Gain now supported for USB, NAS, Samba, TIDAL, Qobuz, Plex and local libraries.
  5. Remote Volume Step Customization: Adjust the volume step for each press of the remote’s volume buttons.
  6. Preset Enhancements: Presets will now function correctly when your device is used in slave mode.

Bug Fixes:
  1. Remote Pairing: Resolved issues preventing WiiM Remote from connecting to devices.
  2. USB Indexing: Fixed unexpected interruptions during USB scans.
  3. Playback Enhancements: Fixed playback status after seeking, resolved artwork issues via Google Cast, and added sample rate/bit depth display on Alexa.
  4. General Fixes: Various performance improvements and bug fixes.
 
With digital volume control it is better to use as high a setting as possible in general. If you can lower the gain elsewhere in the system it should give better results. To be honest I am surprised you can hear anything with the amp set to a volume of 1. Are you just using the amp connected to speakers or something else?
 
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