Bose Professional FreeSpace FS4SE Surface-Mount Loudspeaker (Black)

The Bose Professional FreeSpace FS4SE is a high-performance, full-range surface-mount loudspeaker designed for foreground and background music applications in commercial environments. With a 4.5-inch full-range driver and an IP55 weather rating, it delivers clear, intelligible audio indoors or outdoors. The included U-bracket simplifies installation, while the 70/100V transformer taps and 8-ohm bypass offer flexible system design.

Advantages

Engineered for durability and sonic excellence, the FS4SE provides consistent coverage with a 125° conical pattern. Its weather-resistant ABS enclosure and perforated steel grille ensure reliable performance in challenging conditions. The versatile transformer taps allow easy integration into constant-voltage or low-impedance systems.

Suitable for

• Retail stores, restaurants, and hospitality venues
• Conference rooms and corporate lobbies
• Outdoor patios, covered walkways, and public spaces
• Foreground music and paging applications

Key specifications

• Speaker type: Full-range, surface-mount loudspeaker
• Driver: 4.5-inch (114 mm) full-range
• Frequency response (-3 dB): 80 Hz – 19 kHz
• Frequency range (-10 dB): 70 Hz – 20 kHz
• Nominal coverage: 125° conical
• Power handling (RMS): 40 W
• Peak power handling: 160 W
• Nominal impedance: 8 ohms (transformer bypass)
• Transformer taps (70V): 2.5, 5, 10, 20, 40 W
• Transformer taps (100V): 5, 10, 20, 40 W
• Sensitivity (SPL/1W @ 1m): 88 dB
• Maximum SPL (peak @ 1m): 110 dB
• Environmental rating: IP55
• Enclosure material: Engineered plastic (ABS)
• Grille material: Perforated steel
• Connectors: Euroblock 6-pin with loop-through
• Mounting: Included U-bracket
• Colour: Black

Recommendations

For optimal performance, pair the FS4SE with a Bose Professional amplifier delivering 40–80 W per channel at 8 ohms. Use constant-voltage taps for long cable runs in distributed systems. The IP55 rating allows outdoor use when installed with weatherproof connections.