AtlasIED B51-4 4" In-Ceiling Speaker With 25V/70V Transformer
AtlasIED B51-4 4" In-Ceiling Speaker With 25V/70V Transformer
SoundPro Item: 13848 | Part Number: B51-4
Usually ships in 5-7 business days
- Factory-Assembled Construction Reduces On-Site Labor And Component Sourcing
- High-Compliance FC104 Loudspeaker Delivers Full-Range Voice And Music Reproduction
- Dual-Voltage Transformer Supports Both 25V And 70.7V Distributed Audio Systems
- Wide-Angle Dispersion Achieves Broad Coverage With Fewer Ceiling Placements
- Ceramic Magnet Driver Provides Consistent Low-Frequency Response In Paging Applications
The AtlasIED B51-4 is designed for integrators and installers who need a reliable, ready-to-install ceiling speaker solution for distributed audio systems in commercial environments. Pairing the proven FC104 high-compliance loudspeaker with a factory-mounted dual-voltage transformer and the 51-4 baffle, this assembly eliminates field wiring of components and reduces installation time on job sites where consistency and speed matter.
With a 135-degree dispersion angle, this unit achieves broad coverage from fewer mounting positions — a key advantage in open-plan offices, retail environments, schools, and hospitality spaces where distributed paging and background music are required. The ceramic magnet and damped cone deliver smooth low-frequency response and extended high-frequency reproduction suited to voice intelligibility and music playback on 25V or 70.7V systems.
All B Series assemblies ship pre-assembled with the transformer and baffle mounted, ready for direct installation into standard ceiling cutouts. For integrators managing multi-zone installed audio projects, this eliminates component sourcing and on-site assembly steps that add cost and variability to commercial deployments.
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