Syrincs DE245N, Ceiling Speaker, Size: 8"", Power rating: 50 W, Impedance: 8 Ohm, Maximum SPL: 109 dB, Sound pressure (1 W / 1 m): 96 dB, Frequency range: 50 - 18,000 Hz, Dispersion angle: 150°, Resistant to ball impacts, Installation depth: 85 mm, Dimensions: 252 x 85 mm, Ceiling cutout: 215 - 230 mm, Weight: 1.1 kg, Colour: White (RAL 9010)