I'm very happy with the new AP3s. I'm coming from the AP2s and I liked them but I always wanted slightly more bass from them. I was a little concerned with the slightly bigger design but they fit my ears well, just a little more snug than the AP2s. The sound is a definite improvement. Bass has been improved sound is crisp and clean and the audio is slightly louder. This is exactly what I wanted. The other reason I bought these was for the Spacial audio feature. The AP2s as good as they are did not offer this feature. I wanted to experience this with a set of earbuds at a reasonable price. Pretty impressive watching scenes from movies with Spacial audio. I like it with music as well minus the head movement feature.