WHD UP 14/2-T6, 16 cm-2-Way (koax) Ceiling LS system, 50-20.000 Hz, RAL 9016 white, 6W-Transformer. Incl. Mounting hardware for 1 to 20 mm. dimensions: outside dia. 196mm, mounting depth 71mm, cutout 180mm, weight 1,5kg. NB Very good Bass reproduction and easy to mount.