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The Bosch LBD3903-L 12W Cabinet Speaker is a high-quality wall-mount speaker designed for clear voice announcements and background music in public address systems. With durable construction, wide sound coverage, and selectable power taps for 100V line installations, it is ideal for offices, schools, hotels, shops, and public facilities.
₹2,145.00 Excluding Tax
Out of stock
The Bosch LBD3903-L 12W Cabinet Speaker is a professional wall-mount loudspeaker engineered for superior voice clarity and smooth background music reproduction in commercial sound installations. As part of Bosch’s trusted public address product line, it is built to deliver reliable day-to-day performance for paging, alerts, and ambient audio applications in a wide range of indoor environments.
Equipped with a high-performance full-range driver, the LBD3903-L delivers consistent sound coverage with excellent speech intelligibility — a key requirement for safety announcements and public guidance messaging. Its 12-watt output rating provides greater audio reach compared to lower-power speakers, making it well-suited for medium-sized rooms and high-traffic areas including reception zones, hallways, retail spaces, meeting rooms, classrooms, and hospitality venues.
Designed for versatility, the speaker supports 100-volt line distribution systems and includes multiple power tap options, enabling system designers to precisely match output levels to room acoustics and system layout. This increases installation flexibility and simplifies integration into multi-zone PA setups.
The Bosch LBD3903-L features a strong and durable cabinet enclosure that withstands commercial use and blends easily into modern interiors. Its compact form factor allows clean mounting on walls and surfaces where both visual design and reliable audio performance are important.
Thanks to Bosch’s quality and performance standards, this cabinet speaker is a dependable choice for both background music systems and emergency voice alarm messages. It can be used as a standalone speaker or as part of a large distributed audio installation in corporate, retail, educational, and public sector environments.
For projects that require a balance of clear sound, robust design, and professional flexibility, the Bosch LBD3903-L 12W Cabinet Speaker offers strong value and proven reliability from a globally recognized brand.
12W wall-mount cabinet speaker for commercial audio
Clear speech reproduction with balanced music performance
Multiple power taps for 100V line PA systems
Durable and attractive enclosure for professional installations
Ideal for paging and background sound in public buildings
Easy wall mounting with integrated bracket
| Brand |
|---|
Technical specifications
Electrical
| Rated Power | 12W |
| Sound Pressure Level at 12W/1 W (1 kHz, 1 m) | 101dB/90dB |
| Effective frequency range | 150Hz to 15kHz |
| Opening angle horizontal(1kHz/ 4kHz,-6dB) | 195°/95° |
| Opening angle vertical(1kHz/ 4kHz,-6dB) | 70°/20° |
| Rated Impedance | 833 Ohm |
| Rated input voltage | 100V |
| Connector | 4 Pole Push In Terminal |
| Dimensions (H x W x D) | 445x151x150/111 (in mm) |
| Weight | 2.6 kg |
| Color | LBD3903-L(White) , LBD3903-
D(Dark) |
| Operating temperature | -5 °C to +55 °C |
| Storage temperature | -40 °C to +70 °C |
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anithaangel –
The color is Good. Quality is also good. thanks to sakthi av tronics
anithaangel –
Sadab –
Nice sound bar, the build quality is nice sound quality and base is also awesome lovely product
Sadab –
Sharmila –
Wonderful Orginal Bosch product I purchased from Sakthi AV Tronics.
They treated very well. All the staffs were very polite. They gave reasonable price. Thanks alot Sakthi Av Tronics.
Sharmila –
Kanagavel –
BOSCH LBD3903-L 12W Cabinet Loudspeaker White. Very good Build Quality. Affordable in price. Thank you very much Sakthi AV Troncis
Kanagavel –