LS1-UC20E-1
Pendant sphere loudspeaker, 20W
20 / 10 / 5 / 2.5 W | ABS, metal grille | 86 dB SPL (1W, 1m) | 80 Hz to 20 kHz | EN54-24
LS1-UC20E-1
Pendant sphere loudspeaker, 20W
20 / 10 / 5 / 2.5 W | ABS, metal grille | 86 dB SPL (1W, 1m) | 80 Hz to 20 kHz | EN54-24
Bosch LS1-UC20E-1 Product Highlights
Explore the key capabilities of the Bosch LS1-UC20E-1 pendant loudspeaker.
Superb Speech and Music
Advanced filtering: 80 Hz to 20 kHz, up to 99 dB.
EN54-24 Evacuation
Certified for voice evacuation; the line stays up if the speaker burns.
IP65
Water and dust protected to IP65.
Hangs from Its Cable
5 m cable, easy to shorten, with suspension clamp.
Safety Cord Ready
Provision for an optional steel safety cord.
Wide Coverage
Opening angle 220° / 65° for high ceilings.
Key specs
- Taps 20 / 10 / 5 / 2.5 W (100 V), max 30 W
- 99 / 86 dB SPL at 20 W / 1 W (1 kHz, 1 m)
- 80 Hz to 20 kHz (-10 dB)
- Opening angle 220° / 65° (1 / 4 kHz)
- Ø 185 x 254 mm, 3 kg
- ABS UL 94 V0, metal grille
- Fixed 5 m 5-core cable, cable clamp
- Ceramic terminal, thermal fuse
- IP65
- White RAL 9010
- EN54-24, BS 5839-8
|
Electrical |
|
|
Rated power |
20 / 10 / 5 / 2.5 W |
|
Sound pressure level at 20 W / 1 W (1kHz, 1 m) |
100 dB / 87 dB (SPL) |
|
Sound pressure level at 20 W / 1 W (1kHz, 4 m) |
91 dB / 78 dB (SPL) |
|
Opening angle at 1 kHz / 4 kHz (-6 dB) |
220° / 65° |
|
Effective frequency range (-10 dB) |
75 Hz to 20 kHz |
|
Rated voltage |
100V |
|
Rated impedance |
20 W: 500 Ohm 10 W: 1000 Ohm 5 W:
2000 Ohm |
|
Connector |
3‑pole screw terminal |
|
Mechanical |
|
|
Dimensions (D x L) |
185 x 300 mm (7.3 x 11.8 in.) |
|
Weight |
3 kg (6.6 lb) |
|
Color |
White (RAL 9010) |
|
Material |
ABS |
|
Environmental |
|
|
Operating temperature |
-25 ºC to +55 ºC (-13 ºF to +131 ºF) |
|
Storage and transport temperature |
-40 ºC to +70 ºC (-40 ºF to +158 ºF) |
|
Relative humidity |
<95% |