Why This Guitar

Product Highlights

Coaxial Design with Beamwidth Matching Waveguide — The FC108 features a high-excursion 8-inch woofer paired with a 1.7-inch compression driver in a coaxial design.
High Output from a Compact Enclosure — Despite its compact and discreet form factor, the Forum FC108 is capable of producing a maximum peak SPL of 122 dB.
Flexible Installation and IP43 Rating — Its fully tuned passive crossover provides excellent performance with any professional amplifier, simplifying system design and deployment.
Designed for Fixed Installation, Commercial Audio, Houses of Worship, Performance Spaces
Passive, full-range coaxial loudspeaker

Available Since: August, 2026
Item No.: 10011177
Local SKU: OS

Coaxial Design with Beamwidth Matching Waveguide

The FC108 features a high-excursion 8-inch woofer paired with a 1.7-inch compression driver in a coaxial design. This is enhanced by Bose's Beamwidth Matching Waveguide technology, which ensures the 110° x 60° coverage pattern remains consistent across the frequency range for a smooth, natural response throughout the space.

High Output from a Compact Enclosure

Despite its compact and discreet form factor, the Forum FC108 is capable of producing a maximum peak SPL of 122 dB. This impressive output makes it an ideal solution for installations where space is at a premium but high-impact, full-range audio is required.

Flexible Installation and IP43 Rating

Engineered for versatility, the FC108 features a rotatable cabinet and logo, multiple M10 threaded inserts for various brackets, and an IP43 rating for use in protected outdoor areas. Its fully tuned passive crossover provides excellent performance with any professional amplifier, simplifying system design and deployment.

BY THE NUMBERS

Technical Specifications

Hardware & Setup

Body & Build

Finish & Colour

Mounting OptionsM10 threaded inserts for U-bracket, pan-and-tilt bracket, or eyebolt suspension

EssentialNo

Amplifier ClassNot applicable

Driver ConfigurationCoaxial: 8-inch woofer, 1.7-inch compression driver

EssentialNo

HF Driver Size1

Loudspeaker TypeSurface Mount Loudspeaker

Woofer Size8

Everything you receive

What's In The Box

Bose Professional Forum FC108 8-inch Passive Coaxial Loudspeaker, Black
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

No, the Bose FC108 is a passive loudspeaker and requires a separate, compatible power amplifier to operate.

It is designed for small-to-mid-sized installations such as retail stores, restaurants, houses of worship, and performance spaces, providing clear audio with its wide 110° horizontal coverage.

The FC108 features multiple M10 threaded inserts, making it compatible with accessory U-brackets, pan-and-tilt brackets, or eyebolt suspension for flexible wall, ceiling, or truss mounting.

Yes, as a passive 8-ohm speaker, you can wire multiple units in parallel to a single amplifier channel, provided the total combined impedance remains within the amplifier's safe operating load.

The FC108 is IP43-rated, which means it is suitable for protected outdoor environments like covered patios or eaves, but it is not designed for direct exposure to rain or harsh weather.

The package includes one Forum FC108 loudspeaker and an installation guide. Mounting hardware and speaker cables are sold separately.

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