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Bose Professional FreeSpace In-Ceiling Loudspeaker | Model: FS4CE

Product Description

The Bose Professional FreeSpace FS4CE In-Ceiling Loudspeaker is a professional installed loudspeaker designed to make music and spoken audio easy to hear in real commercial spaces. It belongs to the in-ceiling loudspeakers range, so its enclosure, mounting approach, and sound coverage are intended for permanent installation rather than occasional home use. For a person who does not work with audio equipment, the simplest way to understand the FS4CE is as the final part of the sound system: it changes the electrical signal from an amplifier into the sound that customers, staff, students, or visitors actually hear. Its purpose is not only to play loudly, but to keep voices natural, music balanced, and coverage predictable across the listening area.

From a practical design point of view, its stated frequency performance is 70 – 17,000 Hz; this indicates the span from lower tones to higher detail that the loudspeaker can reproduce under the manufacturer's test conditions; a maximum sound-pressure capability of 104 dB gives the designer a reference for how much level is available at one metre; the published coverage of 145° by 145° helps the installer aim and space loudspeakers so fewer listeners sit outside the useful sound pattern. Coverage describes the area in which the loudspeaker is intended to deliver consistent sound; it does not mean every room will sound identical, because ceilings, walls, furniture, background noise, and mounting height also affect the result. The specification table later in this section gives the exact manufacturer values so the product can be compared with other models without relying on marketing language alone.

For installation planning, the FS4CE should be treated as one component in a complete system that also includes the correct amplifier, signal processing, cabling, mounting hardware, and safety method. Important planning points include published power information: 40 W, an ingress-protection rating of IP55, overall dimensions of 10.7 in × 6.8 in (272 mm × 172 mm), loudspeaker diameter × depth / 8.7 in × 6.4 in (220 mm × 163 mm), backcan diameter × depth, a net weight of 7.7 lb (3.5 kg), loudspeaker with grille (single). A qualified installer can use those values to confirm structural support, cable loading, weather exposure, protection filters, and the number of loudspeakers that can share an amplifier channel. The result is a system that is easier to operate every day and less likely to be overdriven or installed outside its intended limits.

The FS4CE is a sensible choice when the project needs a permanent, visually tidy loudspeaker with performance that can be predicted from published data. It can support background music, foreground music, paging, presentations, or a mixture of these duties, depending on system design and room size. For a small quiet room, the priority may be even coverage at moderate volume; for a busy public area, the priority may be speech clarity above ambient noise; for hospitality, the priority may be natural music and an enclosure that fits the interior. The use scenarios below show where the product is likely to be considered, but the final quantity, placement, amplifier settings, and mounting accessories should always be confirmed for the actual site.

Suitable Use Scenarios

  • Retail stores, showrooms, and shopping areas that need clear music and understandable announcements
  • Restaurants, cafes, bars, and hospitality spaces where sound quality must support the atmosphere without dominating it
  • Corporate meeting spaces, training rooms, schools, and public buildings that require reliable speech reproduction
  • Distributed commercial audio systems that need consistent coverage across multiple listening zones
  • Permanent installations where appearance, mounting flexibility, and predictable day-to-day operation matter

Product Specifications

Compliance

EN 54-24 Certified Yes
Safety Agency Ratings EN 54-24:2008 for Voice Alarm Systems; UL 1480(A); in compliance with UL 2043 for plenum-space installation; NFPA 70 & NFPA 72; CSA C22.1 Section 32

Physical

Colors Black (similar to RAL 9005), white (similar to RAL 9003)
Enclosure Material Engineered-plastics front baffle, highly UV fade-resistant, with integrated steel-formed backcan
Grille Perforated steel, powder-coated finish
Ingress Protection IP55
Ceiling Cutout 9.8 in (249 mm)
Logo Rotatable, removable
Suspension/Mounting (3) mounting arms, (1) safety cable attachment point
Operating Temperature Range -25 °C to 70 °C (-13 °F to 158 °F)
Product Dimensions (H×W×D) 10.7 in × 6.8 in (272 mm × 172 mm), loudspeaker diameter × depth / 8.7 in × 6.4 in (220 mm × 163 mm), backcan diameter × depth
Net Weight 7.7 lb (3.5 kg), loudspeaker with grille (single)
Shipping Weight 20.0 lb (9.1 kg), pair

Performance

Frequency Range (-10 dB) 70 – 17,000 Hz
Coverage, Horizontal 145°
Calculated Maximum SPL @ 1 m 104 dB
Nominal Impedance 8 Ω (transformer bypass)
Power Handling, long-term continuous 40 W
Power Handling, Peak 160 W
Recommended Signal Processing Not required, Bose Professional EQ voicing and SmartBass processing available
Sensitivity (SPL/1 W at 1 m) 88 dB
Transformer Taps, 100V 5, 10, 20, 40 W, bypass
Transformer Taps, 70V 2.5 W, 5 W, 10 W, 20 W, 40 W, bypass
Coverage, Vertical 145°

Transducers

Driver Protection Recommended high-pass protection 70 Hz with minimum 24-dB/octave filter
Low-Frequency 1 × 4.5 in (114 mm) woofer

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