Soundtube CM62-BGM-II-WH - Two-Way 6.5-Inch In-Ceiling Loudspeaker (White)The CM62 BGM is a 6. 5" coaxial two way blind mount in ceiling speaker which delivers true high efficiency and performance across the operating bandwidth. By incorporating a 6. 5" polypropylene driver with a rubber surround and a 1" silk dome tweeter in a drawn steel backcan with a tuned port, this speaker delivers maximum frequency response (50 Hz 22 kHz, 10 dB) in an integrated enclosure design. Mounting hardware is included and features a constant