Download Test Tones
To test your speaker/headphone setup you need some (any) audio to test it with. If you have no other audio source on your PC/MAC use these test tones.
Either click on it with your left mouse button, this will (try) to play it in your browser, or click with your right mousebutton (Control + Click on a Mac) to save it to your system.
1. Brown Noise (sounds like a gigantic waterfall), 2 minutes long, MP3, 884 kb
2. Brown Noise, 6 minutes long, MP3, 2.6 MB
3. Click Track (rhythmic clicking noises), MP3, 1 MB