Micca Reference Series R-6C 6.5-Inch Rimless In-Ceiling Speaker (Each, White) The Micca Reference Series R-6C in-ceiling speakers deliver amazing high end sound to any room of a home while taking up no valuable space Easy to install with only basic tools, Micca Reference Series speakers offer a unique rimless low profile design with micro-fine mesh grill for a refined and sophisticated appearance Durable construction and materials make the Reference Series suitable for use in any room of the house, including kitchens, bathrooms, and sun rooms, providing years of lasting enjoyment Premium vented carbon/glass fiber woofer with a concave cap for superior vocal accuracy and clarity Fluid cooled 1-inch aluminum dome tweeter is mounted on a unique swivel-bridge for a focused and stable sound stage over a broad listening sweet spot