Coaxial in-ceiling speaker is a 8-inch, two-way, blind mount that delivers extended low-end response (56Hz) and optimal off-axis performance (2 to 10kHz, independently verified). It’s design incorporates an extra deep steel backcan (12.46 inch), low-profile grille, proprietary motor-board and five position tap switch with a transformer bypass position. Mounting hardware is included and features a fast and secure constant-tension fixed-wing mounting system.