https://www.sendspin-audio.com/
Sendspin: Music in every room. Art on every screen. Lights on the beat.
The open standard for synchronized music, art, controls, and lights across your home. From the Open Home Foundation.
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https://www.cnx-software.com/2026/04/21/diy-sendspin-audio-receiver-supports-multi-room-audio-synchronization-integrates-with-home-assistant/?amp=1
DIY Sendspin audio receiver supports multi-room audio synchronization, integrates with Home...
Apr 21, 2026 - SendspinZero is an open-source, DIY Sendspin audio receiver for your amplifier that relies on off-the-shelf parts costing around $10 and a 3D printed
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