The Bosch LBD3902-L is a 6-watt cabinet loudspeaker designed for clear speech and background music reproduction in indoor environments. Its compact and unobtrusive white ABS housing makes it suitable for various commercial and institutional applications, including offices, retail stores, and educational facilities.
 
🔧 Key Specifications
Rated Power: 6W
Maximum Power: 9W
Sound Pressure Level (1 kHz, 1 m): 90 dB at 6W / 82 dB at 1W
Effective Frequency Range: 150 Hz to 15 kHz (-10 dB)
Opening Angle (-6 dB): 160° at 1 kHz / 80° at 4 kHz
Rated Impedance: 1.67 kΩ
Rated Input Voltage: 100V
Connector: 2-pole screw terminal block
Dimensions (H x W x D): 110 mm x 85 mm x 85 mm
Weight: 0.5 kg
Color: White (RAL 9010)
Mounting: Wall-mount with included bracket
Material: ABS plastic enclosure
Operating Temperature: -10 °C to +55 °C
Storage Temperature: -40 °C to +70 °C