Bosch LB1-UM20E-L
Speaker | for PA system | 20 watt | 2-way | white, RAL 9010
Main Specification
| Product Description | Bosch LB1-UM20E-L - speaker - for PA system |
|---|---|
| Product Type | Speaker - for PA system |
| Speaker Type | 2-way - passive |
| Continuous Power | 20 watt |
| Peak Power | 30 watt |
| Integrated Transformer | 70V/100V operation |
| Colour | White, RAL 9010 |
| Image Colour Disclaimer | The displayed product image may be a different colour |
| Dimensions (WxDxH) | 16 cm x 18 cm x 27.4 cm |
| Weight | 3.88 kg |
General
| Product Type | Speaker - for PA system |
|---|---|
| Enclosure Colour | White, RAL 9010 |
| Image Colour Disclaimer | The displayed product image may be a different colour |
| Enclosure Material | Aluminium, ABS plastic |
Speaker System
| Speaker Type | 2-way - passive |
|---|---|
| Continuous Power | 20 watt |
| Peak Power | 30 watt |
| Frequency Response (-10dB) | 90 - 20000 Hz |
| Max Output Level (Max SPL) | 101 dB |
| Sensitivity | 88 dB |
| Integrated Transformer | 70V/100V operation |
| Recommended Placing | Indoor / Outdoor, wall-mountable |
Speaker System Details
| Driver Details | Speaker: woofer driver - 5" Speaker: tweeter driver - 1" |
|---|
Miscellaneous
| Included Accessories | Wall mounting bracket |
|---|---|
| Compliant Standards | EN 60065, UL 94 V-0, IP65, EN 60529, BS 5839-8, EN 54-24, EN 60849 |
Dimensions & Weight
| Width | 16 cm |
|---|---|
| Depth | 18 cm |
| Height | 27.4 cm |
| Weight | 3.88 kg |
Environmental Parameters
| Min Operating Temperature | -25 °C |
|---|---|
| Max Operating Temperature | 55 °C |
| Min Storage Temperature | -40 °C |
| Max Storage Temperature | 70 °C |
| Humidity Range Operating | 95% |
Product features
Voice alarm
Voice alarm loudspeakers are specifically designed for use in buildings, where the performance of Public Address systems is subject to official regulations. The LB1‑UMx0E‑x are designed for voice alarm systems, and are EN 54‑24 certified and compliant with BS 5839‑8 and EN 60849.Protection
The loudspeakers have built‑in protection to ensure that in the event of a fire damage does not cause failure of the connected circuit. In this way, system integrity is maintained; ensuring loudspeakers in other areas can still be used to inform people of the situation.Connections and safety
The loudspeakers have a ceramic terminal block, thermal fuse, and heat‑resistant, high‑temperature wiring. The cabinets have a provision for internally mounting a line/loudspeaker supervision board.Key selling points
- Voice alarm
- Protection
- Connections and safety
References
MPN: F.01U.076.929
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04/06/2026 05:57:43