BLACK by Optimal Speaker Design is a range of premium quality audio products designed to satisfy discriminating homeowners and A/V integrators who demand the ultimate in aesthetic style and audio performance. BLACK products include unique features and technologies that make them better looking, easier to install and more durable while delivering lifelike audiophile sound. There are BLACK models to fit every distributed audio and home theater application and space, offered in three performance levels: Acoustic, Performance and Reference. BLACK products are sold only through custom Audio Video specialists to ensure proper system design, installation and total customer satisfaction.