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Bosch LC1-UM24E8 24 W Coaxial 100 V Line Ceiling Speaker (LC1-UM24E8)
103 dB at rated power over 55 Hz to 20 kHz, with selectable power taps (24/12/6/3 W) and EN 54-24 compliance.
- 103 dB, 55 Hz–20 kHz frequency range
- Power taps 24/12/6/3 W
- Diameter 220 mm, 180° angle
- EN 54-24 compliant (safety)
Ref.: LC1-UM24E8
New
1/5
849,00 DHincl. VAT
On order — extended delivery time
Earn 9 DH in loyalty credit with this purchaseHow does it work?Loyalty credit capped at 300 DH per order.
Receive it between Wed 23 Sept and Fri 25 Sept — delivery 40 DH incl. VAT all over Morocco
Free in-store collection: Casablanca (within 24 h) · Témara (within 48 h)
1 year warranty — free repair in Morocco if it breaks down during the warranty period
100% secure payment: Bank transfer · Bank card · Cash on delivery · Certified cheque
Product overview
The Bosch LC1-UM24E8 is a 24 W coaxial ceiling speaker for 100 V or 70 V lines, built for background music and announcements in spaces where speech must remain intelligible. Its 24, 12, 6 and 3 W taps let you set the level at each point of the installation. It reaches 103 dB at rated power and covers 55 Hz to 20 kHz, with a 180° opening angle. The coaxial design refines treble reproduction along the listening axis. Chassis and grille in white RAL 9010 steel, 220 mm diameter, compliant with the EN 54-24 standard.
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Technical specifications
| Weight (kg) | 1.75 kg |
|---|---|
| Bluetooth | None |
| Box contents | LC1-UM24E8 ceiling speaker, installation instructions |
| Battery capacity | None (device has no battery) |
| Input voltage | 70 V / 100 V |
| Battery type | None (device has no battery) |
| Remote control | None |
| Frequency response | 55 Hz - 20 kHz (-10 dB) |
| Audio input | Three-pole screw terminal block |
| Audio output | None |
| Power handling | 24 W nominal, 36 W maximum |
| Wi-Fi | None |
| Material(s) | Steel chassis and front grille |
| Microphone | None |
| Power supply | Via the 70 V / 100 V audio line (no power supply of its own) |
| Certifications | EN 54-24, EN 60849, BS 5839-8, UL 2043, EN 60065 |
| Battery life | None (device has no battery) |
| Mounting | Flush-mounted in the ceiling with an accessory ordered separately (LC1-MMSB or LC1-CMR) |
|---|---|
| In-ceiling mounting | Diameter 220 mm, maximum depth 125 mm (including LC1-MMSB bracket), cut-out 190 or 200 mm |
| Operating temperature | -25 to +55 °C |
| RGB lighting | No |
| Speaker type | 24 W coaxial ceiling speaker, 70 V / 100 V line |
| Charging time | None (device has no battery) |
| Controls | Pre-wired power taps on the transformer |
| Impedance | 208 / 417 ohms depending on the line voltage |
| Drivers (transducers) | 1 coaxial driver (bass and treble on the same axis) |
| Wireless pairing and daisy-chaining | None |
| Local media playback | None |
| Charging connector | None (device has no battery) |
| Power taps | 24 / 12 / 6 / 3 W |
| Sensitivity (1 W / 1 m) | 89 dB (1 W / 1 m, 1 kHz) |
| Maximum sound pressure level | 103 dB (at 24 W, 1 kHz, 1 m) |
| Coverage angle | 180° at 1 kHz, 58° at 4 kHz (-6 dB) |
| Warranty | 1 year |
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Frequently asked questions about this product
What does the coaxial design of the Bosch LC1-UM24E8 bring?
It places the tweeter on the axis of the woofer, at the same point of emission. Speech stays clear wherever you stand under the loudspeaker, with no offset between the two ways: that is what preserves intelligibility in a hall.
What level does the LC1-UM24E8 reach, and over what frequency range?
103 dB at rated power, over an extended range of 55 Hz to 20 kHz. That is six decibels more than the 6 W model in the same range, and an extended bass response that lets you play music without it sounding hollow.
What are the 24, 12, 6 and 3 W taps for?
For adjusting each point of the installation on a 100 V or 70 V line: you choose the 24 W tap in a large space and a lower tap in a circulation area. The balance is thus set speaker by speaker, without touching the amplifier.
Is this loudspeaker suitable for an evacuation system?
Yes, it complies with the EN 54-24 standard, the one for life-safety and evacuation loudspeakers. It is the compliance an inspection body will require on a fire safety installation.
What ceiling cut-out does the LC1-UM24E8 need?
A 220 mm diameter — the same as the 6 W model in the range, so both power ratings can be mixed on the same project without changing the cut-out. The chassis and grille are made of RAL 9010 white steel.
What coverage does this ceiling speaker provide?
An opening angle of 180°, designed for even dispersion in reception and circulation areas. It is this angle, combined with the ceiling height, that determines the spacing between two units.
Is the Bosch LC1-UM24E8 loudspeaker new and under warranty?
New, reference LC1-UM24E8, in RAL 9010 white. The invoice serves as the warranty document for 1 year. Keep it: it is the document that will be requested in the event of a claim.
