Ultrasone Edition 15 EX Over-Ear Open-Back Audiophile Headphones (Open box) overnight The DT 990 PRO is

The DT 990 PRO is the open-back studio headphone for critical listening and precise editing

Once inserted in the ear

and they fold flat for easy transport inside the included carrying case

In addition to the closed design

SONOROUS III has been tuned to an extremely accurate level based on new knowledge expertise gained from the development of SONOROUS VIII and SONOROUS X

Ultrasone Edition 15 EX Over-Ear Open-Back Audiophile Headphones (Open box) overnight The DT 990 PRO isOver ear, open back, high end headphones Ultrasone Edition 15 Audiophile Headphones Breathtaking Sound First of all, Ultrasone Edition 15 Audiophile Headphones has a breathtaking sound. It comes from a completely new development: gold titanium compound GTC) driver technology. The membrane consists of gold foil and a titanium dome elements that combine to produce an outstandingly transparent sound quality with an incredible degree of precision.