The Bose FS4SEW is a 4.5-inch surface-mount loudspeaker in the FreeSpace FS family. It provides higher output and extended bass compared to FS2SE models, making it ideal for venues that need richer background music and clear speech reproduction. The clean white finish and included mounting bracket allow flexible installation in a wide range of commercial spaces.
Key Features
- 4.5-inch full-range driver
- 125° conical coverage pattern
- Smooth, natural sound for speech and music
- 40 W power handling (AES)
- 70/100V transformer taps plus 8 Ω bypass
- Paintable white enclosure and grille
- U-bracket included for versatile horizontal or vertical mounting
- UL1480 ULC-S541 listed
Specifications
- Driver: 4.5″ full-range
- Frequency response (-3 dB): 70 Hz – 18 kHz
- Coverage: 125° conical
- Power handling: 40 W (AES)
- Transformer taps: 70V: 2.5 / 5 / 10 / 20 W; 100V: 5 / 10 / 20 W
- Impedance (low-Z): 8 Ω
- Sensitivity: 87 dB SPL (1W, 1m)
- Dimensions (H × W × D, single without bracket): 254 × 171 × 174 mm
- Dimensions with bracket (depth): ~196 mm
- Net Weight (single): 3.08 kg
- Finish: White (paintable)


















