Quick Overview
- Brand & Origin: BOSCH (American Brand | Manufactured in USA/Global Standards)
- Model: LB1-BW12-L (White Finish)
- Rated Power (PHC): 7 – 12 W (18W Maximum Power)
- Sound Pressure Level: 80 – 100 dB (at 1 kHz, 1 m)
- Acoustic Dispersion: Opening Angle > 120° at 4 kHz (Wide Coverage)
- Audio Reproduction: Clear Speech Intelligibility & Background Music
- Power Tapping: Multi-Tap 100V Matching Transformer (12W / 6W / 3W)
- Mounting & Weight: Surface Wall Mounting | Weight: 2.1 Kg
General Information
| Brand Name |
BOSCH |
| Model Number |
LB1-BW12-L |
| Country of Origin |
America |
| Country of Manufacture |
America |
| Device Type |
12W Bidirectional Cabinet Loudspeaker |
| Mount Type |
Surface Wall Mount via Rear Keyholes |
Acoustic & Electrical Performance
| Rated Power (PHC) |
7 – 12 Watts (Continuous IEC 268-5 Standard) |
| Maximum Power |
18 Watts Peak Power |
| Sound Pressure Level (SPL) |
80 – 100 dB (97 dB at 12W / 86 dB at 1W, 1 kHz, 1 m) |
| Opening Angle at 4 kHz |
> 120 Degrees (Wide Corridor Baffle Coverage) |
| Audio Performance |
High-Clarity Speech & Background Music Reproduction |
| Power Tapping |
Yes (12W / 6W / 3W via 100V Matching Transformer) |
| Connector Type |
4-Pole Push-In Terminal Block |
Physical & Environmental Build
| Enclosure Construction |
Solid MDF Board with Durable Vinyl Wrap & Woven Cloth Front |
| Cabinet Design |
Wedge-Shaped Bidirectional Dual-Driver Acoustic Baffle |
| Color Finish |
White (Matches RAL 9010 / RAL 7044) |
| Unit Pack Weight |
2.1 Kg |
| Application Area |
Indoor Hallways, Long Corridors, Shopping Arcades, Offices |
Warranty & Support
| Warranty Coverage |
1 (One) Year Service Warranty |
| Technical Support |
GCTL Security Certified Engineering, Commercial PA System Design & Setup |
| Delivery & Installation |
Complete Supply, Surface Wall Mounting & Line Commissioning in BD |
The BOSCH LB1-BW12-L 12W Bidirectional Cabinet Loudspeaker is a commercial indoor sound solution designed specifically for architectural spaces such as long school corridors, hospital hallways, corporate office passageways, shopping arcades, and hotel walkways across Bangladesh. Engineered with American acoustic precision, the loudspeaker features a unique wedge-shaped MDF enclosure housing two dual-cone drivers mounted on an angled baffle. This bidirectional design radiates sound in two opposite directions simultaneously with a wide opening angle exceeding 120° at 4 kHz, significantly reducing the overall number of loudspeakers required in long corridors while maintaining crisp speech intelligibility and pleasant background music. Supporting multi-tap 100V power selections (12W, 6W, and 3W) and simple surface wall mounting via rear keyhole slots, it ensures quick installation and dependable long-term performance. Pricing starts around ৳15,500 depending on project volume and PA installation services.
Bidirectional Acoustic Baffle
Dual-driver wedge design projects sound in two directions simultaneously, optimizing coverage and halving speaker requirements in long corridors.
Wide >120° Dispersion Angle
Broad opening angle at 4 kHz ensures superior sound distribution and articulate voice clarity across reverberant indoor walkways.
Multi-Tap 100V Transformer
Integrated matching transformer with 12W, 6W, and 3W power tapping allows precise acoustic balancing across commercial PA zones.
Durable MDF Wedge Cabinet
Robust MDF enclosure with durable vinyl covering, woven front cloth, and rear keyholes enables quick, hassle-free surface wall mounting.
To explore more advanced audio broadcasting and enterprise meeting solutions, browse our full range of Conference & PA System solutions in Bangladesh.
What is the price of BOSCH LB1-BW12-L 12W Bidirectional Cabinet Loudspeaker in BD?
The price for the BOSCH LB1-BW12-L 12W Bidirectional Cabinet Loudspeaker starts around ৳15,500 at GCTL Security depending on order quantities and complete PA system setup.
How does the bidirectional design save costs in hallway installations?
By projecting audio in two opposite directions along the length of a corridor[cite: 1], a single LB1-BW12-L covers the area of two conventional wall speakers, reducing equipment, cabling, and installation labor.
How is the loudspeaker mounted to the wall?
The loudspeaker features convenient keyhole slots on its rear panel and a 4-pole push-in terminal block, allowing quick, secure, and tool-free surface wall mounting.
Need BOSCH LB1-BW12-L 12W Bidirectional Loudspeaker Price & Quotation in BD?
Contact GCTL Security for authentic BOSCH commercial PA systems, corridor acoustic modeling, and nationwide delivery across Bangladesh.
