Bosch LA1‑UMx0E‑1

20 Watt Metal Column Loudspeakers



  • Slim-Line Design
  • Weatherproof
  • Swivel Wall-Mounting Bracket Included
  • Durable Aluminum Construction
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Product Description

Bosch LA1‑UMx0E‑1 20 Watt Metal Column Loudspeakers combine powerful 20 watt power in a durable aluminum weatherproof housing. The speakers provide a high level of speech intelligibility as well as good background music reproduction. A swivel wall mount bracket and instructions for installation are included with the speakers as standard.

  • Good speech intelligibility and background music reproduction
  • For applications where directivity is important
  • Slim-line weatherproof design
  • Swivel wall mounting bracket supplied as standard
  • Robust aluminum construction
  • Switchable between 70/100 V line and 8 Ohms
  • Provision for inside mounting of the optional line/loudspeaker supervision board

Additional Information

Max Power


Rated Power


Effective Frequency Range

240 Hz to 16 kHz (effective)

Rated Input Voltage

12.65/70/100 V

Rated Impedance

8/251/500 ohm


78.8″ (2.0 m) 3-wire cable, 3-pole screw block

Operating Temperature

-13 to 131 ºF (-25 to 55 ºC)

Storage temperature

-40 to 158 ºF (-40 to 70 ºC)


< 95%

Dimensions (H x W x D)

3.3 x 3.8 x 17.7″ (8.4 x 9.6 x 45.0 cm)

Weight (kg)

6.4 lb (2.9 kg)