Stream Windows Audio to HomePod

This guide covers the normal ToneRelay flow from Windows audio to one HomePod or HomePod mini.

Before you start

  • Use Windows 10 or Windows 11.
  • Use one HomePod or HomePod mini.
  • Keep both devices on the same local network.

Basic flow

  1. Install ToneRelay.
  2. Allow Windows local network permission.
  3. Choose the speaker.
  4. Play audio on Windows.

Latency

ToneRelay is for everyday listening. It is not intended for zero-latency monitoring.

Windows audio path explained

StageWhat happens
Windows app or browser plays audioThe sound goes to the normal Windows default output.
ToneRelay captures the default outputToneRelay uses that stream as the source.
Local network playbackToneRelay sends playback to one selected HomePod or HomePod mini.
Speaker outputThe HomePod/HomePod mini plays the Windows audio.