Yes, you can. Follow the steps below to do this.

To set up the WiiM Mini with Aux-in:

  1. Plug the 3.5mm cable into the Aux-in port on the back of the WiiM Mini.
  2. Plug the other end of the cable into the record player.
  3. In the WiiM Home app, Go to Browse > Select source on device > Aux-in, select the Aux in for audio distribution.
  4. Create a multi-room music group with your WiiM Mini.
  5. On WiiM Home app, Go to Devices, select the WiiM Mini connected with your Aux-in device.
  6. Tap the group button (with grou sign in a box) in the top right corner of the device box.
  7. Select the WiiM Mini you wish to connect with.
  8. Once completed, the music playing from the device plugged into the WiiM Mini will play to your multi-room music group.