The Bosch LBD3921-L is a 24-watt column loudspeaker designed for clear speech and background music reproduction in indoor environments. Its slim profile and wide horizontal dispersion make it suitable for venues such as houses of worship, conference rooms, and canteens.ishacctv.com
🔧 Key Specifications
Rated Power: 24W (selectable taps: 24W / 12W / 6W)
Sound Pressure Level (1 kHz, 1 m): 104.9 dB at 6W / 91.6 dB at 1W
Effective Frequency Range: 150 Hz to 15 kHz
Opening Angle (-6 dB):
Horizontal: 191° at 1 kHz / 87° at 4 kHz
Vertical: 191° at 1 kHz / 87° at 4 kHz
Rated Impedance: 417 Ohm
Rated Input Voltage: 100V
Connector: 4-pole push-in terminal
Dimensions (H x W x D): 849 mm x 151 mm x 127 mm
Weight: 4.9 kg
Color: White
Operating Temperature: -5 °C to +55 °C
Storage Temperature: -40 °C to +70 °C Bosch Security Systems+1infernocart+1Audiomaxx India+12Tradeindia+12Tradeindia+12
🛠️ Features
Excellent Audio Performance: Delivers clear speech and music reproduction.
Wide Horizontal Dispersion: Ensures even sound coverage across the listening area.
Slim and Aesthetic Design: Blends seamlessly with various interior decors.
Easy Installation: Equipped with a swivel wall-mounting bracket for secure and straightforward mounting.
Durable Construction: Features a robust MDF enclosure with a durable, easy-to-clean vinyl finish.
Compliance: Tested for 100 hours at rated power in accordance with IEC 268-5 Power Handling Capacity (PHC) standards. ishacctv.com
 
For more detailed information, you can refer to the official product page.Bosch Security Systems
If you need assistance comparing this model with other Bosch column loudspeakers or require further details, feel free to ask!