Usher Shows Subwoofer-Enhanced Version of S520 Mini-Monitor - The Absolute Sound
Usher X Series Speakers Usher X-929 Usher X-616 Usher X-719 Usher X-718 Usher X-708 Usher Audiophile Speakers Worlds Finest Speakers designed by Dr. Joseph D'Appolito Usher SW-103 Amplified Subwoofer Usher X Series