The Dali Phantom E Series are designed for in ceiling use however they can also be mounted in walls if required. The Phantom E-50 are Dalis most compact ceiling speakers at only 5 inches they deliver a clear and well defined audio experience. For the size they also produce impressive bass. These speakers are suitable for stereo set ups in smaller rooms or a rear speakers in a larger room. The compact sized construction and the easy to use compass positioning system makes placing the speaker for the optimum sound experience very straight forward. Two discreet switches offer audio adjustment options to ensure that the listener gets the most from the speakers even in rooms that traditionally are difficult.