
Product information
Bosch LB1-UM50E-L is a 50 W premium-sound aluminium cabinet loudspeaker from Bosch, EN 54-24 certified for voice alarm use. It is IP65 rated, with selectable 70 V, 100 V and 8 ohm inputs and an adjustable mounting bracket, in a white finish.
Key features
- EN 54-24 certified: suitable for voice evacuation systems.
- IP65 protection: for damp, dusty or covered outdoor locations.
- Selectable input: 70 V, 100 V or 8 ohm operation.
- 50 W rated power: 75 W maximum, with high output of 108 dB at rated power and 91 dB at 1 W.
- Wide frequency range: 90 Hz to 20 kHz (-10 dB) for speech and music.
- Aluminium cabinet: ABS top and bottom, white finish (RAL 9010).
- Wide coverage: 186 x 84 degrees at 1 kHz and 126 x 62 degrees at 4 kHz (H x V).
- Adjustable bracket: supplied for wall mounting; 405 x 160 x 180 mm and 5.58 kg.
Ideal for
Offices, schools, retail floors, corridors, halls and public areas that need clear music and announcements, including voice alarm installations.
Buy Bosch LB1-UM50E-L in India from Universal AV Solutions with supply, installation and after-sales support across Delhi NCR and pan-India. Contact us for the latest price and a GST quotation.
Bosch LB1-UM50E-L at a glance
| Product type | Premium-sound cabinet loudspeaker |
|---|---|
| Rated power | 50 W (75 W maximum) |
| Input | 70 V, 100 V or 8 ohm (selectable) |
| Sound pressure level | 108 dB at rated power, 91 dB at 1 W (1 m) |
| Frequency range (-10 dB) | 90 Hz to 20 kHz |
| Coverage (-6 dB) | 186 x 84 degrees at 1 kHz; 126 x 62 degrees at 4 kHz (H x V) |
| Protection and approval | IP65, EN 54-24 |
| Dimensions and weight | 405 x 160 x 180 mm, 5.58 kg |
| Material and finish | Aluminium cabinet, ABS top and bottom, white |
| Operating temperature | -25 to +55 degrees C |
Built for voice alarm and everyday PA
With EN 54-24 certification and IP65 protection, the LB1-UM50E-L can serve both routine background music and evacuation announcements.
- Selectable inputs simplify matching to different amplifiers.
- Aluminium cabinet for robust installations.
- Adjustable bracket for wall mounting.
Bosch LB1-UM50E-L FAQs
What is the Bosch LB1-UM50E-L?
It is a 50 W premium-sound aluminium cabinet loudspeaker in white, certified to EN 54-24.
What inputs does it support?
70 V, 100 V or 8 ohm operation.
Is it weather resistant?
It is IP65 rated. Contact us to confirm suitability for your site.
What are the dimensions and weight?
405 x 160 x 180 mm and 5.58 kg.
Is it suitable for voice alarm systems?
Yes. It is EN 54-24 certified; the complete system must still be designed and approved for the application.
How much does the Bosch LB1-UM50E-L cost?
Contact Universal AV Solutions for the latest price and a GST quotation.
Do you provide installation and support?
Yes. Universal AV Solutions provides supply, installation and after-sales support across Delhi NCR and pan-India.
Good to know: Specifications are based on the manufacturer's published information and may change. Contact Universal AV Solutions to confirm what is included with your order. All brand names are trademarks of their respective owners.
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