Bose Professional FreeSpace FS4SE Surface Mounted Speakers - Pair (Black)

SINGLE LOUDSPEAKER PERFORMANCE:
Frequency Response (-3 dB) (1) 80 – 16,000 Hz
Frequency Range (-10 dB) (1) 70 – 17,000 Hz
Nominal Coverage Angle (H × V) (1 - 4 kHz) 130° × 125°
Nominal Coverage (H × V) (1 - 10 kHz) 105° × 100°
AES transducer test (5) Bose extended-lifecycle test (4)
Power Handling, (SPL, 1 W @ 1 m) 50 W 40 W
Power Handling, Peak 200 W 160 W
Sensitivity (SPL, 1 W @ 1 m) (2) 89 dB 89 dB
Calculated Maximum SPL @ 1 m (3) 106 dB 105 dB
Calculated Maximum SPL @ 1 m, Peak 112 dB 111 dB
Loudspeaker EQ Not required, Bose EQ voicing and SmartBass available
Recommended High-Pass Protection 70 Hz with minimum 24-dB/octave filter
Transformer Taps 70V: 2.5, 5, 10, 20, 40 W, bypass
100V: 5, 10, 20, 40 W, bypass

TRANSDUCERS:
Full-Range Driver 1 × 4.5-inch woofer (114 mm)
Nominal Impedance 8 ohms (transformer bypass)
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Key Features
Maintain consistent tonal quality with shared voicing across all FS models
Hear the best of both — music and voice — with transducers that offer clear voice reproduction and smooth response for
background music
Customize systems with confidence using in-ceiling, surface-mount, and pendant-mount options, allowing for tailored mix-andmatch installations. DesignMax subwoofers and larger models can expand your system design options even further
Blend with more room designs with updated enclosures — available in black and white — that pair modern aesthetics with
practical features, including removable logos
Tackle site-specific challenges with the support of a full suite of accessories, designed to handle a wide range of applications
and mounting options
Install with ease — all models feature Euroblock inputs and front-baffle input location on in-ceiling models
Support public safety — EN54-24 for Voice Alarm Systems for Fire Detection and Fire Alarm Systems for Buildings.
UL 1480 UUMW listed for use in fire alarm and signaling systems in life safety applications
Bring quality sound to more places with the FS4SE — rated for outdoor, wet installations
Product Overview
FreeSpace FS loudspeakers are the next step of our widely
trusted line of in-ceiling and surface-mount loudspeakers,
offering significant upgrades in durability, design, and ease
of installation — all with remarkably consistent tonality.
Engineered for high-quality performance in both background
music and voice announcement applications, FS loudspeakers
are ideal for almost any commercial space. The line includes
five loudspeakers, two distinct levels of sound, new mounting
options, and a modern aesthetic to match. For those seeking
consistent, quality installed sound, FreeSpace FS loudspeakers
are the perfect mix of performance and value.
The FS4SE is an in-ceiling model with a full-range 4.5-inch
transducer, low frequency range down to 70 Hz, and sensitivity
of 89 dB SPL / 1W @ 1m.
Footnotes
(1) Frequency response and range measured on-axis in half-space environment with recommended EQ
(2) Sensitivity measured on-axis in half-space environment averaged 100 Hz – 10 kHz using recommended high-pass protection
(3) Maximum SPL calculated from sensitivity and power handling specifications, exclusive of power compression
(4) Bose extended-lifecycle test using pink noise filtered to meet IEC268-5, 6-dB crest factor, 500-hour duration
(5) AES standard 2-hour duration with IEC system noise
(6) Tested to iP55 per EN60529 when used in General Purpose Audio applications. Tested to iP33C per EN5 54-24 for fire and
evacuation notification applications
(7) Measured in whole-space environment

PHYSICAL:
Enclosure Material Engineered plastics, highly UV fade-resistant
Bracket Material Powder-coated steel
Grille Perforated steel, powder-coated finish, tamper-resistant design
Logo Rotatable, removable
Color Black: similar to Ral 9005, White: similar to Ral 9003
Environmental/Ingress Protection (6)
Rated for direct-exposure outdoor installations (IP55 per EN60529; IP33C per EN54-24). Suitable for
use outdoors in wet locations. Includes weather-resistant input cover. Optional accessory aluminum
grille for harsh environments to prevent red corrosion is available.
Safety Agency Certification: EN54-24:2008 for Voice Alarm Systems, UL 1480 UUMW, CAN/ULC-S541 UUMW7 for
Speakers for Fire Alarm and Signaling Systems. Installation: NFPA 70, NFPA 72, CSA C22.1
Section 32
For EN54-24 specifications, Refer to FS4SE EN 54-24 Certified Ratings document on pro.bose.com
Operating Temperature Range -25 °C to 70 °C (-13 °F to 158 °F)
Connectors Euroblock 6-pin connector with loop-through, mounted on rear.
Accepts 18 AWG (0.8 mm2) to 14 AWG (2.5 mm2) size wire.
Suspension/Mounting External U-bracket with bracket screws
7 preset mounting angles: 0°, +15°, +30°, or +45° for wall or ceiling placement
Two (2) rear M8 screw inserts for use with optional Ceiling Mount Bracket S2,
WBPWR-50 pan-and-tilt bracket (for outdoors), or RMUBRKT1 pan-and-tilt
bracket (for indoors)
Safety cable can be used with either of two (2) rear M8 inserts when using included U-bracket,
or with either of two (2) side M8 inserts, when using optional brackets
Dimensions (H × W × D) 254 × 171 × 174 mm (10.0 × 6.7 × 6.8 in)
Dimensions with Bracket (H x W x D) 273 × 171 × 196 mm (10.7 × 6.7 × 7.7 in)
Net Weight, Loudspeaker with Grille and Bracket (Single) 3.08 kg (6.80 lb)
Shipping Weight (Pair) 8.32 kg (18.35 lb)
Included Accessories Each FS4SE includes one (1) Bose logo for vertical orientation, one (1) U-Bracket
and one (1) weather-resistant input cover
Optional Accessories Aluminum Grille kit (2-pack), WBPWR-50 pan-and-tilt bracket (for outdoors), RMUBRKT1
pan-and-tilt bracket (for indoors), Ceiling Mount Bracket S2, Ceramic Terminal and Thermal Fuse
Kit (10-pack)