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Bosch LBD3921-D cabinet speaker

Original price was: ₹4,938.Current price is: ₹4,185. Price excluding tax

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  • 24 W column speaker with selectable power taps (24 W / 12 W / 6 W)
  • Wide coverage: 206° horizontal / 36° vertical
  • Clear speech & music: 150 Hz–15 kHz frequency range
  • Compact black design with swivel wall-mount bracket
  • Durable: works in ‑5 °C to +55 °C
  • 100 V line compatible for PA and background music
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The Bosch LBD3921-D is a high-quality 24W column speaker designed for crystal-clear speech and music in commercial and public spaces. Perfect for offices, schools, auditoriums, hotels, retail shops, and conference rooms across India, this sleek black loudspeaker combines powerful sound, wide coverage, and easy installation in one durable package. With its adjustable power taps (24W, 12W, 6W) and 100V line compatibility, ensures even sound distribution in any room size. Its compact design and swivel wall-mount bracket make it easy to integrate into your space without compromising on style or performance.

1. What is the power rating of the Bosch LBD3921-D?
A-1 It supports 24 W maximum power, with selectable taps of 24 W, 12 W, or 6 W for flexible usage.

2. Can this speaker be used outdoors?
A-2 Yes, it is suitable for semi-outdoor areas, provided it is not exposed directly to rain or extreme weather.

3. How easy is installation?
A-3 It comes with a swivel wall-mount bracket, making it quick and easy to install on walls or columns.

4. What type of connector does it use?
A-4 It uses 4-pole push-in terminals for secure and hassle-free connections.

5. Which areas is this speaker ideal for?
A-5 It is perfect for offices, schools, hospitals, auditoriums, retail shops, and other commercial spaces across India.

Specifications

Model Bosch LBD3921‑D
Speaker Type Column / Cabinet Loudspeaker
Rated Power 24 W (Selectable taps: 24 W / 12 W / 6 W)
Rated Input Voltage 100 V line
Impedance ~417 Ω at 100 V line
Connector Type 4‑pole push-in terminals
Frequency Range (-10 dB) 150 Hz – 15 kHz
Sensitivity ~91.3 dB SPL (1 W, 1 m, 1 kHz octave)
Sound Pressure Level ~104 dB @ 6 W / ~91.3 dB @ 1 W (1 kHz, 1 m)
Horizontal Coverage (-6 dB) ~206° @ 1 kHz, ~68° @ 4 kHz
Vertical Coverage (-6 dB) ~36° @ 1 kHz, ~9° @ 4 kHz
Dimensions (H × W × D) 849 × 151 × 127 mm
Weight ~4.9 kg
Colour Black
Mounting Swivel wall-mount bracket supplied
Operating Temperature -5 °C to +55 °C
Storage Temperature -40 °C to +70 °C
Ideal Use Offices, schools, auditoriums, hotels, retail stores, PA & background music

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