JAM INDUSTRIES 8 inch 2-Way Infinity Round In-Ceiling Speaker, White

The ERS series reflects a pinnacle of achievement in built-in speakers. These in-ceiling and in-wall speakers incorporate Infinity's patented CMMD technology for sound that's absolutely clear and accurate, plus advanced waveguide design for even sound distribution. You'll love what you hear. CMMD® - Ceramic Metal Matrix Diaphragms sandwich an aluminium driver between ceramic layers, the ultimate construction for accuracy. Ultra rigidity means no unwanted coloration, while light weight cones pick up subtle detail.