The Tannoy DVS 4T (EN 54) is a professional 4-inch coaxial surface-mount loudspeaker designed for life safety and commercial audio installations. Certified to EN 54-24 standards, it provides reliable and intelligible audio for emergency paging, fire alarms, and public address systems, while also delivering high-quality music reproduction for commercial spaces.
Featuring a durable ABS enclosure and integrated low-loss transformer, the DVS 4T (EN 54) supports 70V / 100V distributed line systems and 8-ohm low-impedance operation, making it flexible for multi-zone commercial setups. Its coaxial driver ensures phase-coherent full-range sound with excellent speech intelligibility, even at high SPL levels required for safety applications.
The surface-mount design includes an adjustable swivel bracket for precise wall or ceiling mounting, allowing installers to direct sound exactly where it’s needed. The front-accessible transformer tap selector allows quick power adjustments without removing the speaker from its mount.
Constructed with a powder-coated steel grille and professional-grade ABS enclosure, the DVS 4T (EN 54) is designed for long-term reliability in offices, hotels, retail spaces, educational facilities, and public buildings requiring certified emergency audio solutions.
Features
- 4″ coaxial surface-mount loudspeaker for life safety and commercial installations
- EN 54-24 certified for emergency paging and fire alarm systems
- Integrated low-loss transformer for 70V / 100V line systems
- Supports 8-ohm low-impedance operation
- Clear, intelligible audio for speech and music
- Adjustable swivel bracket for wall or ceiling mounting
- Front-accessible transformer tap selector for easy power adjustment
- Durable ABS enclosure with powder-coated grille
- Ideal for offices, retail spaces, hotels, educational institutions, and public buildings
Specifications
| Specification | Details |
|---|---|
| Model | Tannoy DVS 4T (EN 54) |
| Product Type | Coaxial Surface-Mount Loudspeaker |
| Driver | 4″ (100 mm) coaxial driver |
| HF Component | Ferrofluid-cooled soft dome |
| Frequency Response (-10 dB) | 100 Hz – 20 kHz |
| Frequency Response (-3 dB) | 120 Hz – 20 kHz |
| Sensitivity | 87 dB (1 W / 1 m) |
| Power Handling | 30 W continuous / 120 W peak |
| Nominal Impedance | 8 Ohms |
| Transformer Taps | 70V / 100V multi-tap |
| Coverage Angle | Approx. 90° conical |
| Enclosure | ABS surface-mount enclosure |
| Grille | Powder-coated steel |
| Mounting | Adjustable swivel bracket included |
| Dimensions | 165 × 140 × 125 mm |
| Weight | Approx. 1.6 kg |
| Certifications | EN 54-24, UL2043, CE |















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