# Airfoil

### Welcome to Airfoil!

Play audio across your network to a whole host of devices, all in sync. Supported remote audio outputs include iOS devices, other computers, as well as Apple TVs and AirPort Expresses. Airfoil for Mac gives you your audio — everywhere.

With Airfoil, you can transmit sounds from media players like Pulsar or Spotify, as well as audio from web-based applications like Pandora, Last.fm, and many, many more. You can even stream audio from hardware devices like RadioSHARK, XM and SIRIUS radios, or even a microphone, all around your house.

Airfoil also includes two helpful add-ons. Open Airfoil Speakers on other Macs, PCs, Linux boxes, and even iPhones, iPods Touch, and iPads on your network, and you can use Airfoil to send audio to them! And if you want to watch video on your computer with audio playing remotely, the built-in Airfoil Video Player should do the trick.

### Getting Started

We recommend having a quick read-through of this manual, but you can also just dive in if you like. You can refer back to the full manual for assistance at any time by accessing it from the Help menu.

### What's New In Airfoil 4.0.1

- Instant On 3.0.1 fixes corrupt audio from Spotify, System Audio, and others, as well as curing memory leaks which could occur.
- The Install Extras window has been improved for easier use.
- Several memory leaks have been fixed.
- Playback of some QuickTime files has been improved in Airfoil Video Player.
- Playback in Airfoil Video Player is now synchronized with monitor refresh, to eliminate tearing.
- Airfoil Video Player now supports .dvdmedia packages, as well as other containers for VIDEO_TS folders.

- Many minor bug fixes and improvements.

### What's New In Airfoil 4

- Major Airfoil Speakers Improvements
  Airfoil Speakers has also been heavily revamped. Its interface is much improved, and now shows metadata from the audio source. Even better, it has two big new features: Reverse Connect and Remote Control. To learn more, see the Airfoil Speakers manual.

- Airfoil Video Player Now Supports Web Video!
  With Airfoil Video Player, you've been able to send audio from DVDs and local video files, watching them locally while hearing the audio from wireless speakers, all in sync. Now, Airfoil Video Player supports web video, including sites like Hulu, Netflix, and YouTube!

- A New Interface
  We've streamlined Airfoil's design, putting the source selector at the top, and updating many buttons and controls.

- Improved Apple TV Support
  Airfoil now sends album artwork to the Apple TV when available!

- Many minor bug fixes and improvements.

### System Requirements

- A Macintosh computer

- Mac OS X 10.6 or higher

### Installation and Removal

To install Airfoil, just drag it from your download folder to your Applications folder.

If you wish to remove Airfoil, simply place it in the Trash.

### Purchasing Airfoil

We provide a free trial of Airfoil for you to test. During the trial, audio quality is degraded after ten minutes of transmitting. The full version of Airfoil can be unlocked with a license key from our online store.

When you're ready, head over to http://www.rogueamoeba.com/store/ to purchase Airfoil for just $25.

For more information, see the Purchasing page.

### Upgrading Airfoil

If your license key starts with `KUTA-`, you already own Airfoil 4 - enjoy!
If you purchased a license for Airfoil prior to November 1st, 2010 (your license key will start with `TX40-` or `SSME-`), you can upgrade to Airfoil 4 for just $10. Head over to https://rogueamoeba.com/airfoil/mac/buy.php to upgrade.