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Bosch LS1‑OC100E‑1 Hemi‑directional Loudspeaker

R16,200.00

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High-power hemi-directional loudspeaker designed for large indoor areas with high ceilings, delivering wide coverage and high speech intelligibility for public address and voice alarm systems.

Product Overview
The LS1-OC100E-1 is a suspended hemi-directional loudspeaker intended for demanding indoor environments such as warehouses, transport terminals, exhibition halls, mega stores, and swimming pools. Its wide opening angle and high sound pressure level allow a single unit to cover very large areas, making it ideal for paging, background music, and emergency announcements.

The loudspeaker includes built-in protection components to maintain system integrity in voice alarm applications and supports flexible suspension mounting options.

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Description

Key Features

  • Hemi-directional loudspeaker for large, high-ceiling spaces

  • Wide coverage and high sound pressure level

  • Suitable for background music, paging, and emergency announcements

  • Built-in protection for voice alarm systems

  • Optional fixed suspension mounting accessory

  • Provision for internal loudspeaker supervision module

Technical Specifications

  • Rated power: 100 W (selectable 100 / 50 / 25 W)

  • Maximum power: 150 W

  • Rated voltage: 100 V / 70 V / 28.3 V

  • Frequency range (-10 dB): 60 Hz – 20 kHz

  • SPL (1 kHz, 1 m): 110 dB at rated power / 90 dB at 1 W

  • Coverage angle (-6 dB):

    • Horizontal: 175° at 1 kHz / 96° at 4 kHz

    • Vertical: 180° at 1 kHz / 137° at 4 kHz

Construction & Mechanical

  • Driver configuration: Multiple internal drivers (hemi-directional array)

  • Material: High-impact flame-retardant ABS

  • Colour: White baffle with silver top cover and grille

  • Dimensions (Ø × H): 800 × 425 mm

  • Weight: 27 kg

Mounting

  • Suspension mounting using steel wire or chain

  • Safety eye bolt included for secondary safety attachment

  • Optional metal suspension bracket adaptor available for fixed installations

Certifications

  • EN 54-24 compliant for voice alarm systems

  • Suitable for use in emergency communication applications

Shipping

  • Shipping dimensions: Approx. 80 × 80 × 43 cm

  • Shipping weight: Approx. 27 kg

Additional information

Brand

Bosch

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