It looks like my audio sources are behaving as 2D audio sources?

Just updated to Unity 5, I was playing around and following some tutorials about the new audio features, I simply put an audio source on the scene with a random audio clip and it looks like it is not behaving as a 3d audio source, I tweaked the 3D sound settings on the audio source but it still play as it was 2D, it doesnt matter how far you get from the audio source it still play in the same volume. What am I missing?

 

Edit: NEVERMIND! Spatial Blend, that's the parameter!