LBC3951/11
Bosch LBC3951/11 Ceiling Loudspeaker, 6W Power, Plastic Collar, Metal Grill, Water Splash Resistant, Clamps for easy installation, Rated power 6 / 3 / 1.5 / 0.75 W, SPL : 96 dB / 88 dB, Effective frequency range (-10 dB) : 60 Hz to 18 kHz, Opening angle at 1 kHz/4 kHz (-6 dB) : 170° / 80°.