Bosch LBC3432/02 Uni-directional Sound Projector 20W F.01U.082.741

installed (Ceiling) ceiling installation and/or wall installation Waterproof and dustproof grade meets IP 66 standard EN54-24 certification Complies with BS5839-8 and EN60849 standards F.01U.082.741 1,386 LBC3432/02 Taiwan 20W metal strong directional speaker, EVAC Max. power 30 W Rated power 20/10/5/2.5 W Sound pressure level at 20 W/1 W (1 kHz, 1 m) 105/92 dB (SPL) At opening angle 1 kHz/4 kHz (-6 dB) 180°/70° Effective frequency range (-10 dB) 150Hz to 20kHz Rated Voltage 100 V Rated impedance 500 ohm Connectors 1 meter fireproof cable Size (diameter x length) 146 x 200 mm (5.7 x 7.9 in) Weight 2.6 kg (5.7 lb) Color White ( RAL 9010) Materials aluminum Working temperature -25 ºC to +55ºC(-13 ºF to +131 ºF) Storage temperature -40 ºC to +70 ºC(-40 ºF to +158 ºF) Relative Humidity <95%