Cambridge Audio Minx C46 Compact in Ceiling Speaker (Single) - White Our virtually invisible in-ceiling speakers are loved by home installation experts around the world. Bezel-less construction makes our in-ceiling speakers perfect for seamless, discrete integration anywhere. Uses a single 2.25 BMR driver to seamlessly cover the entire frequency range from 120Hz to 20kHz. Our proprietary Balanced Mode Radiator speaker design provides unrivalled sound dispersion and across the board frequency response, by combining bending wave and pistonic movements. IP65 rated for suitability in high-humidity and dusty environments. Use of plastic in the woofer prevents moisture absorption, produces a wider frequency response and provides greater control over cone movement. 2-year warranty if sold from an authorized retailer FREQUENCY RESPONSE: 120Hz - 20kHz IMPENDANCE: 8 Ohms DRIVERS: 1 x 2.25 (57mm) BMR driver DIMENSIONS (H X D): 3.6&#034; x  3.4 (98 x  88mm) Mounting hole required:  3 (75mm) WEIGHT: 101 lbs (0.46kg) IN THE BOX: 1x speaker