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  • Ceiling speaker | 70V/100V | 10W | 91dB | ABS housing | 4-screw mounting | 4.5" speaker

    Code: DSP504

    A 4.5-inch surface-mounted ceiling speaker designed for rooms where recessed installation is not possible. The integrated 70V/100V transformer makes it suitable for large public address (PA) systems, while flexible power taps (1.5–10W) provide broad application versatility.

    This speaker features a high 91 dB sensitivity, an ABS engineering plastic housing, aluminum grille, and very simple installation – the unit is mounted directly onto the surface with 4 screws. 

  • Technical specifications

    Manufacturer: DSPPA
    Model: DSP504
    Type: Surface-mount ceiling speaker
    Speaker size: 4.5" paper cone
    Line system: Integrated 70V / 100V transformer
    Power: 1.5W – 10W (multiple taps)
    Sensitivity: 91 ± 2 dB
    Housing material: White ABS engineering plastic
    Front grille: Aluminum
    Mounting: 4-screw surface installation on the ceiling
    Application: Background music, announcements, PA systems

    Key features

    Frameless surface-mount design – modern, minimalist look with no bezel.

    Ceiling surface installation – ideal when recessed mounting is not possible.

    Integrated 70V/100V transformer – easy connection to professional PA systems.

    Power taps from 1.5W to 10W – excellent flexibility for projects.

    ABS housing + aluminum grille – durable, lightweight, long-lasting construction.

    High sensitivity (91 dB) – clear voice reproduction and clean background music.

    Simple installation – only 4 screws, suitable even for complex ceiling structures.

    Usage

    For home users: Perfect for rooms without plasterboard ceilings or cut-out openings; ideal for balconies, garages, workshops, and storage rooms. Easy and fast to install.
    For engineers / designers: Ideal for projects where recessed speakers cannot be installed. Adjustable power allows precise sound balancing across different zones. ABS + aluminum meets commercial audio standards.
    For electricians / installers: Very easy installation – only 4 screws, no need to cut holes in the ceiling. Clear 70V/100V wiring.
    Commercial & public spaces: Retail areas, warehouses, offices, schools, common areas, hospital corridors, catering establishments.

    Pros

    Surface mounting – no need to cut ceiling holes

    Frameless, modern minimalist design

    Flexible 1.5–10W power taps

    Durable ABS housing

    High sensitivity (91 dB) – clear sound

    Quick and simple installation

    Cons

    Not recessed – remains visible on the ceiling

    Not suitable for humid environments

    Requires a 70V/100V PA amplifier 

    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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