Coaxial in-ceiling speaker is a 6.5-inch, two-way, blind mount that delivers extended low-end response (52Hz) and optimal off-axis performance (2 to 10kHz, independently verified). It’s design incorporates a low-profile grille, proprietary motor-board and six position tap switch with a transformer bypass position. Mounting hardware is included and features a fast and secure constant-tension fixed-wing mounting system.