Gary: Well, it's not merely on downloading. The issue occurs if a user moves the new Airfoil into the same location of the old one. The Finder will ask if you want to overwrite it, and of course, some folks will choose Yes, then later want to get their old version back. There's only so much we can do to prevent the issue, but even if it does occur, we provide Legacy downloads for just this reason.

But yes, renaming the old application to Airfoil 4 is a fine way to have it exist side-by-side with Airfoil 5!

Jon: On Windows, running two versions side-by-side is definitely not recommended, and may lead to issues. On the Mac, everything is self-contained, so Airfoil 4 and Airfoil 5 can happily co-exist.

Ed: Stay tuned for more news soon.

Lennart: This is a known issue with Airfoil Satellite 1.1, and one we're working on correcting for the next update. Stay tuned for more.

Dom: Separate EQs for each output is something we've long considered. We'll see what happens in the future.

Gonzalo: To stream to multiple outputs at once with Airfoil, you just click the Transmit button next to each output. You can send to multiple AirPlay devices, multiple Bluetooth devices, or any combination of the two.

Tom: Glad we can assist!

Peter: You just need to purchase one upgrade, and you'll be set for the whole house. Enjoy!

Tim: So glad to assist. You'll likely want to be sure you're using Airfoil Satellite (the latest) rather than Airfoil Speakers though!