Many choices are available. I am still using an SBox Classic that is connected to a paired DSP33 in my Bath. Although the SB and LMS service is quite old compared to modern offerings. It is nice that it is supported by Roon and has the ability to use Airplay for streaming.

M2.0>ROON: C15/DSP6K
C2.2>ROON: ALLO DIGIONE/DSP5K+D2500x2
W2.2>ROON: C10/DSP33+D2500
R2.0>ROON R: MiniDSP SHD>SCHIIT Freya+(Forkbeard)>3eAudio A7 Mono>>>Apogee Scintilla

Projects. ROON streamer with serial RS232 volume control