Why This Guitar

Product Highlights

Wide, Consistent Coverage — The FS4SE features a full-range 4.5-inch driver that delivers a wide frequency range from 70 Hz to 19 kHz, ensuring both music and speech are reproduced with clarity and detail.
Flexible 70V/100V & 8-Ohm Operation — Designed for system flexibility, the FS4SE operates at 8 ohms and also includes a transformer for 70V and 100V distributed audio systems.
All-Weather IP55 Rated Design — Built to last in a variety of environments, the FS4SE is IP55-rated for weather resistance, making it suitable for reliable outdoor use on patios, concourses, and other exterior spaces.
40W continuous power handling
Full-range 4.5-inch driver for clear voice and music reproduction

Available Since: August, 2026
Item No.: 10011015
Local SKU: OS

Wide, Consistent Coverage

The FS4SE features a full-range 4.5-inch driver that delivers a wide frequency range from 70 Hz to 19 kHz, ensuring both music and speech are reproduced with clarity and detail. Its extremely wide 125° x 125° coverage pattern provides a consistent listening experience for everyone in the room, reducing the number of speakers required in many installations.

Flexible 70V/100V & 8-Ohm Operation

Designed for system flexibility, the FS4SE operates at 8 ohms and also includes a transformer for 70V and 100V distributed audio systems. The front-baffle tap selector makes it easy to set the appropriate power level without removing the speaker from its mounting, streamlining the installation and commissioning process for AV integrators.

All-Weather IP55 Rated Design

Built to last in a variety of environments, the FS4SE is IP55-rated for weather resistance, making it suitable for reliable outdoor use on patios, concourses, and other exterior spaces. The robust enclosure and aluminum grille ensure long-term durability against dust and water ingress, providing peace of mind for permanent installations.

BY THE NUMBERS

Technical Specifications

Hardware & Setup

Body & Build

Finish & Colour

Mounting OptionsIncluded U-bracket

EssentialNo

Amplifier ClassNot applicable

Driver ConfigurationFull-range

EssentialNo

Loudspeaker TypeSurface Mount Loudspeaker

Woofer Size4

Everything you receive

What's In The Box

Bose FreeSpace FS4SE Surface-Mount Loudspeaker for Commercial Installation
Owner's Manual
Local Warranty Card

Bose Professional

The Maker

About Bose Professional

Bose Professional creates complete audio solutions for workplaces, hospitality, retail, education, houses of worship, and performance venues. Its loudspeakers, amplifiers, processors, and conferencing products are engineered as integrated systems, helping designers and installers deliver clear, consistent sound with elegant, space-conscious installations.

View All Bose Professional Products

Expert answers

Questions & Answers

6 questions answered by aDawliah experts·avg response 2 hours

Yes, the FS4SE is a passive loudspeaker and requires a suitable professional amplifier. It can be used with low-impedance (8-ohm) amplifiers or 70V/100V commercial amplifiers.

With its very wide 125° x 125° dispersion, a single FS4SE can effectively cover a broad area for background music. The exact coverage depends on ceiling height and desired volume, but it's designed to reduce the number of speakers needed for even sound.

The Bose FS4SE comes with an included U-bracket for straightforward wall or ceiling surface mounting.

Yes, the speaker is IP55-rated for weather resistance, making it suitable for installation in outdoor locations where it may be exposed to rain and dust.

You can daisy-chain speakers in a 70V/100V system using the Euroblock pass-thru connectors, which simplifies wiring for larger installations.

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