Bose Professional FreeSpace FS4SE Surface-Mount Loudspeakers Black (1 Pair) | 841155-0320The Bose Professional FreeSpace FS4SE is a pair of surface-mount full-range loudspeakers designed for high-quality background music and voice reinforcement in commercial environments such as restaurants, retail stores, offices, and hospitality venues. The FS4SE combines modern aesthetics with reliable sound performance and flexible installation options. Each speaker features a 4.5-inch full-range transducer capable of delivering balanced sound across a wide frequency range. The speakers are engineered to maintain consistent tonal quality across the FreeSpace FS series, allowing easy integration with other models in the same system. The FS4SE supports both 70V/100V distributed audio systems and 8-ohm operation, providing installation flexibility for commercial sound systems. With an IP55 weather-resistant rating, it can be used in both indoor and protected outdoor environments. A U-bracket mounting system and weather-resistant input cover simplify installation and protect the speaker connections in demanding environments. Model: 841155-0320Type: Surface-mount passive loudspeakers (pair)Driver: 1 4.5 full-range transducer Frequency Range (-10 dB): 70 Hz 17 kHz Frequency Response (3 dB): 80 Hz 16 kHz Power Handling:40 W continuous160 W peak Sensitivity: 89 dB (1 W / 1 m) Maximum SPL: 105 dB peak Coverage Pattern: 130 horizontal 125 vertical Nominal Impedance: 8 (transformer bypass) Transformer Taps:70V: 2.5 / 5 / 10 / 20 / 40 W100V: 5 / 10 / 20 / 40 W Environmental Rating: IP55 weather-resistant Enclosure: Engineered plastic cabinet with aluminum grille Inputs: Euroblock speaker connector Mounting: Included U-bracket for wall or surface installation Dimensions (with bracket): 273 171 196 mm Weight: 3.1 kg per speaker Color: Black