Cutting-edge architectural audio technology designed for aesthetics, performance, and flexibility. The new Small Aperture Audio System includes In-Ceiling Speakers and Subwoofer with a 4.75″ opening, and a 4-Channel Amplifier. The sleek and minimalist appearance enhances the aesthetic appeal of any room. Each speaker and subwoofer includes both round and square 5.25″ grilles, low-profile and paintable for a round or square finish to match custom recessed lighting, fixtures, and ceiling color. The 4-Channel Analog Filtering Amplifier is designed for flexibility and convenience for the vast majority of distributed audio and home entertainment applications.