WHD UP 14/2-T25, 16 cm-2-way (coax) ceiling speaker system. 40/50 W, 4 ohms, 50-20.000 Hz, RAL 9016 white, 25W-transformer. Incl. mounting hardware for 1 to 20 mm. dimensions: outside dia. 196mm, mounting depth 71mm, cutout 180mm, weight 2,4kg. NB Very good Bass reproduction and easy to mount.