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Audio line-in would be nice even if it's just to get rid of wireless latency. If they had that, I'd buy a pair today just to test with my home office receiver.

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Is it possible to pipe sound into a Mac or iOS device, which then sends it to the HomePods? Macs can now use HomePods as the sound-out, so presumably this would be possible (but kludgy).

Probably with Rogue Amoeba's audio apps: Audio Hijack capturing the input to Airfoil output, I think.

There was a project a few years ago called BabelPod that would take line-in (or any audio source really) on a raspberry pi and it would send it to airplay speakers, effectively making a janky wireless aux cord for record players and such.

I tried setting it up the other day after seeing a fork that has addressed some of the isuses, but I only had about 2 hours to try getting it working before giving up.

For those interested, just keep in mind the chances of it working are pretty low without some debugging, and most people run into issues with it

https://github.com/maexdaemaege/babelpod

Audio line-in doesn’t remove wireless latency if you have a pair of them, because they still need to talk to each other.

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