Yes. You can connect a vinyl player to the AUX In port on the WiiM Mini and play audio through the speakers connected to the WiiM Mini. For detailed instructions, refer to How to Use Audio Input Port of the WiiM Mini.
The WiiM Mini lacks a phono preamp. If your turntable doesn't have one built-in, an external phono preamp is required.
In addition, you can create a multi-room audio group using the WiiM Mini together with other WiiM devices. Once grouped, audio from the vinyl player can be streamed and played simultaneously across all selected WiiM devices in your home. For detaild instructions, refer to How to Play WiiM Multi-Room Music from Your CD Player, Turntable, or PC.