The Bosch LBD3902-D 6W Cabinet Loudspeaker is a compact and high-quality speaker designed for public address announcements and background music applications. Engineered with Bosch’s trusted audio technology, this speaker delivers clear speech, balanced sound output, and reliable performance, making it ideal for daily commercial use across India. Designed for 100V line PA systems, the allows multiple speakers to be connected over long cable distances without signal loss. The built-in transformer with selectable power taps gives installers flexibility to control volume levels based on room size and application needs. Its wide sound dispersion ensures uniform audio coverage, even in corridors and open spaces. Is the Bosch LBD3902-D suitable for PA announcements?A-1 Yes, it is specially designed for clear speech and announcements in PA systems. Can this speaker be used for background music?A-2 Yes, it provides balanced audio, making it suitable for light background music in shops, offices, and corridors. Does it support a 100V line system?A-3 Yes, this is a 100V line cabinet speaker, ideal for large installations. Where can this speaker be installed?A-4 It is perfect for offices, schools, hospitals, malls, retail stores, corridors, and public buildings. Is this speaker durable for long-term use?A-5 Absolutely. Bosch uses high-quality materials and professional-grade construction for long service life. Specifications Product Type Cabinet Loudspeaker for PA & Background Music Rated Power 6 W Power Tap Settings Full / Half / Quarter power via internal transformer Line Voltage 100 V line system Sound Pressure Level ~96 dB @ 6 W, ~88 dB @ 1 W (1 kHz, 1 m) Frequency Response (-10 dB) 150 Hz – 15 kHz Rated Impedance Approx. 1667 Ω Coverage Angle Wide dispersion for uniform sound coverage Connector Type 4-pole push-in terminal block Enclosure Material MDF cabinet with durable surface finish Front Design Cloth-covered ABS grille Mounting Type Wall-mountable (rear keyhole slots) Dimensions (H × W × D) Approx. 243 × 151 × 140 mm Net Weight Approx. 1.3 kg Colour Black (also available in white variant) Operating Temperature -5 °C to 55 °C Storage Temperature -40 °C to 70 °C Relative Humidity < 95 % non-condensing
