Bose Professional FS4SE Surface-Mount Loudspeaker Pair (Black)
The Bose Professional FreeSpace FS4SE loudspeaker pair combines clear voice reproduction with a smooth response for background music. Shared voicing across the FS range keeps tonal quality consistent. Meanwhile, the surface-mount design and outdoor, wet installation rating broaden placement options.
Clear Music and Voice
Firstly, the transducers are designed for both background music and voice announcement applications. Therefore, spoken content stays clear while music remains smooth. Shared voicing across all FS models also makes it easier to maintain a consistent tonal character when different FS loudspeaker types are used within one installation.
Ready for Demanding Locations
Rated for outdoor, wet installations, the enclosure uses highly UV fade-resistant engineered plastics and an IP55 rating. A powder-coated steel grille adds a practical finish, while the operating temperature range of -25 °C to 70 °C suits a broad range of site conditions.
Flexible System Setup
70V and 100V transformer taps provide selectable power options for installed systems, with bypass available for transformer-free operation. The loudspeaker also offers 130° horizontal and 125° vertical coverage, making it easier to plan placement around the listening area.
Clean, Practical Installation
The updated enclosure is available in black and white, with a rotatable, removable logo for a cleaner visual fit across different room designs. The surface-mount format measures 254 mm × 171 mm × 174 mm, while the included bracket increases depth to 196 mm.
Key Features
- Clear voice reproduction and smooth background-music response
- IP55 protection and rating for outdoor, wet installations
- Selectable 70V and 100V transformer taps with bypass
- Shared voicing across the FS loudspeaker range
- Rotatable, removable logo for adaptable presentation


