Generally, we use iTunes to export the music files from iPhone, iPod touch or iPad, but if you want a wireless way, the music app TuneShout Pro should be able to meet your requirements.
TuneShout Pro – Song Exporter is a practical music app developed by 24/7 apps, and designed for both iPhone and iPad. The universal app features elegant user interface and simple controls, and provides you a wireless way to export or play music files. All you need to do is to press “Add songs” button and select the songs that you want to share, and typing the URL link of your iOS device into any web browser in your computer, and then you can enjoy the music via computer’s speakers or download them into your computer. Apart from that, the music app supports Retina display, and compatible multiple operating systems, including Windows, Mac and Linux.
TuneShout Pro – Song Exporter with a size of 3.4 MB is compatible with iPhone, iPod touch and iPad running iOS 4.0 or later. At present, the universal app is free for a limited time. If you’re interested, jump to App Store for more details.