Soundtube CM42-EZS-II-BK - Two-Way 4-Inch In-Ceiling Loudspeaker with Short Can (Black)The CM42 EZs II is a 4 inch, coaxial, two way, blind mount, in ceiling speaker which delivers true high efficiency and performance across the operating bandwidth. By incorporating a 4 inch treated fiber driver with cloth surround in a sealed drawn steel backcan, this speaker delivers maximum frequency response (125 Hz 22 kHz, 10 dB) in a compact design. Features: Engineered for applications with limited plenum space incorporating a Sound_Tube specific