Yamaha's MusicCast platform is great for this. Pricey, and their all-in-one speakers sound worse than a Sonos One, but the WXC-50 appliance has been the core of

Yamaha's MusicCast platform is great for this. Pricey, and their all-in-one speakers sound worse than a Sonos One, but the WXC-50 appliance has been the core of my home audio system for years. https://usa.yamaha.com/products/audio_visual/wireless_streaming_amplifiers/wxc-50/index.html https://usa.yamaha.com/products/audio_visual/wireless_stream... They make one with a stereo amplifier built in, and also one that is just a preamp.