There are two requirements to be met in speakers in order to come close to 'natural' sound: 1)NO crossover, 2)ONE full range driver. Even the best designed and constructed crossovers introduce sound compressions, phase distortions... More than one driver leads to different sound characteristics, different speeds... Single full range drivers are difficult and expensive to make, and speakers with such drivers are difficult and expensive to design - but when you find one the experience is divine. Check out Audience, Teresonic, Zu...