Bosch Speaker LA1-UM20E-1 /LA1-UM40E-1

Bosch Speaker LA1-UM20E-1 /LA1-UM40E-1 AUDIO SYSTEMS

BOSCH LA1-UM0E-1 ลำโพง Metal Column Loudspeakers 20W/40W.

The Bosch LA1‑UMx0E‑1 40 Watt and 20 Watt Metal Column Loudspeakers combine powerful 40 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.

Feature

  • 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
  • EN 54‑24 and EN 60849 compliant
  • Datasheet Spec LA1-UM20E-1–LA1-UM40E-1
Specification
Model LA1-UM20E-1 LA1-UM40E-1
Max Power 30W 60W
Rated Power 20 W (20-10-5-2.5 W) 40 W (40-20-10-5-2.5 W)
Sound Pressure Level at Rated Power/1 W (at 1 kHz, 1 m) 105 / 92 dB (SPL) 111 / 95 dB (SPL)
Sound pressure level at rated power / 1 W (4 kHz, 1 m) 108 / 95 dB (SPL) 114 / 98 dB (SPL)
Effective Frequency Range (-10 dB) 240 Hz to 16 kHz 250 Hz to 16 kHz
Opening Angle (at 1 kHz / 4 kHz, – 6 dB) Horizontal 210° / 94°, Vertical 80° / 22° Horizontal 210° / 92°, Vertical 40° / 12°
Rated Input Voltage 12.65/70/100 V 17.89/70/100 V
Rated Impedance 8/251/500 ohm 8/125/250 ohm
Dimensions (H x W x D) 450 x 84 x 96 mm 750 x 84 x 96 mm
Weight (kg) 2.9 kg (6.4 lb) 4.4 kg (9.7 lb)