Definitive Technology Demand D9 high-performance bookshelf speakers deliver full-range, room-filling sound and precise imaging in a modern, elegant styling. Featuring technology advancements to both the aluminum dome tweeter and midrange/woofer sections, each speaker delivers an unrivaled sweet spot, smoother high-frequency reproduction, and three-dimensional imaging for the most technically-advanced, premium bookshelf listening experience. The additional integrated passive bass radiator in each speaker produces deep, tight, clean bass response. The included acoustically transparent magnetic speaker grilles provide natural, uncolored sound when placed on the speaker, and remove easily when you want to enjoy looking at them fully uncovered. Each cabinet is meticulously hand-crafted and features a clean, modern design providing a timeless look and feel that fits any decor. The D9 perfectly complements Demand series tower speakers for a home theater setup.