- High-fidelity music and speech reproduction
- Supplied with adjustable wall‑mounting bracket
- Self‑restoring overload protection
- Provision for internal mounting of the optional line / loudspeaker supervision board
- EN 54‑24 certified

Bosch LB1-UM20E-D. Audio output channels: 1.0 channels, Number of drivers: 1. Connectivity technology: Wired. RMS rated power: 20 W, Frequency range: 90 - 20000 Hz, Impedance: 8 Ω, Sensitivity: 101 dB. Product colour: Black

Loudspeakers
Audio output channels	1.0 channels
Speaker placement	Wall-mountable
Number of drivers	1
Woofer	Y
Audio
RMS rated power	20 W
Peak Music Power Output (PMPO)	30 W
Frequency range	90 - 20000 Hz
Impedance	8 Ω
Sensitivity	101 dB
Performance
Product colour	Black
Housing material	ABS synthetics
LED indicators	N
Backlight	N
Suitable for outdoor use	Y
Ports & interfaces
Connectivity technology	Wired
Weight & dimensions
Width	160 mm
Depth	180 mm
Height	274 mm
Weight	3.88 kg
Operational conditions
Operating temperature (T-T)	-25 - 55 °C
Storage temperature (T-T)	-40 - 70 °C
Operating relative humidity (H-H)	0 - 95%