Excerpt: Ultrasone make nothing but headphones, thus you would expect them to nail it without issue. And upon opening and using this pair of DJ1 Pros, it shows that they know exactly what they're doing. In The Box: A ridiculous amount. The box houses a large hard case which in turn keeps the 2 cables (one with balance and mono control) and 2 sets soft ear pieces as well as a CD full of suitably high quality driver testing music. Awesome.