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  •   Ceiling speaker | 70V/100V | 6W | 91dB | steel housing | Fire Dome protection | 4.5" speaker
      Ceiling speaker | 70V/100V | 6W | 91dB | steel housing | Fire Dome protection | 4.5" speaker 1

    Ceiling speaker | 70V/100V | 6W | 91dB | steel housing | Fire Dome protection | 4.5" speaker

    Code: DSP901
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    Ceiling speaker with Fire Dome protection, designed for installations requiring reliable voice announcements and a high level of fire safety. Thanks to its integrated 70V/100V transformer, fire-resistant steel housing and lead-coated cable channel, this model ensures safe operation in both commercial and public spaces.

    With a sensitivity of 91 ± 2 dB, flexible power selection (1.5–6 W) and a natural-sounding 4.5" paper cone, this speaker is ideal for stairwells, corridors, warehouses, industrial facilities, technical areas, hospitals, and other locations where Fire Dome protection is mandatory. 

  • Product description

    Technical Specifications

    Manufacturer: DSPPA
    Model: DSP901
    Power: 1.5 / 3 / 6 W
    Input: 70V / 100V line
    Max. SPL: ~94–96 dB
    Sensitivity: 91 ± 2 dB
    Speaker size: 4.5"
    Frequency range: 120 Hz – 15 kHz
    Housing material: High-grade steel
    Grille: Steel
    Fire Dome: Yes, integrated
    Cable protection: Fire-resistant
    Mounting: Spring clip
    Housing diameter: Ø ~150–160 mm
    Cut-out diameter: Ø ~130–140 mm
    Depth (with Fire Dome): ~110–120 mm

    Features

    Integrated 70V/100V transformer for professional installations

    Fire Dome protection – steel enclosure preventing fire spread

    4.5" paper cone – natural voice reproduction

    1.5–6 W selectable power levels for zone matching

    91 ± 2 dB sensitivity – clear and bright sound

    Fire-resistant cable channel (leaded wire case)

    Steel housing and grille – durable and long-lasting solution

    Spring clip mounting – fast and secure installation

    Applications

    For home users: Suitable for kitchens, corridors, storage rooms, restaurant areas; easy to integrate into home or commercial audio systems; Fire Dome improves fire safety.
    For engineers/designers: Ideal for projects with strict fire-safety requirements; perfect for paging and announcement systems; integrated 70/100V transformer simplifies wiring.
    For electricians/installers: Quick installation with spring clips; steel Fire Dome meets safety standards; robust construction withstands on-site handling.

    Pros

    Fire Dome – major safety advantage

    Strong steel enclosure

    Compact size

    Clear voice reproduction

    Fire-resistant cable channel

    Cons

    Limited frequency range for music (voice-oriented)

    4.5" size offers less bass compared to 6.5" models 

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

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