PA hi-fi wall and ceiling speaker, 30 W. 100 V transmission technology or 8 Ω operation. 2-way version with coaxial dome tweeter. 16 cm (6½") bass speaker with waveguide and 25 mm (1") silk dome. Pivoting tweeter via ball joint. Excellent sound characteristics. Stylish flush fit protective metal grille with slim plastic frame. Protective grille magnetically attached to speaker front. For a wall thickness/ceiling thickness from 6 to 35 mm.