BOSE FC108 Full Range Coaxial Point Source Loudspeaker
Product Overview
Forum FC108 is an 8-inch full-range coaxial point-source loudspeaker that delivers exceptional fidelity and output in a compact, install-friendly form factor. With a frequency range of 53 Hz–20 kHz and 122 dB max peak SPL, Forum FC108 provides clear, impactful sound for small-to-mid installations. The design features a high-excursion coaxial driver and Beamwidth Matching Waveguide technology for consistent 110° × 60° coverage, ensuring even audio distribution
across the space. The fully tuned passive crossover means no additional processing is required—just plug in and get excellent performance with any full-range signal. Designed for easy installation, Forum FC108 offers surprisingly high output from a compact enclosure, making it well-suited for a variety of installations, right out of the box.
Key Features
- Fully tuned passive crossovers for excellent performance right out of the box. High-excursion coaxial drivers deliver up to 122 dB max peak SPL
- Beamwidth Matching Waveguide technology for consistent 110° × 60° coverage
- Compact, rotatable cabinets with square grilles for flexible installation Robust cabinet construction for long-lasting durability
- Factory-optimised loudspeaker presets when combined with Bose Professional amplifiers and processors
- IP43-rated for indoor and protected outdoor environments
- Mounting options include U-bracket, surface-mount pan-and-tilt bracket, suspension rail, and optional eyebolt suspension.
Applications
- Retail/restaurants,
- Houses of worship,
- Performing arts
- Education,
- Corporate
- Hospitality
For additional specifications and application information, visit BoseProfessional.com. Specifications are subject to change. 06/2025
Technical Specifications
| SINGLE-LOUDSPEAKER PERFORMANCE | ||
| Frequency Response (-3 dB) 1 | 75 Hz – 17,000 Hz | |
| Frequency Range (-10 dB) 1 | 53 Hz – 20,000 Hz | |
| Nominal Coverage Pattern | 110° horizontal × 60° vertical | |
| AUDIO PERFORMANCE 2 | Passive | Bi-amp |
| Power Handling, Long-term Continuous 3 | 150 W | 150 W (LF) + 20 W (HF) |
| Power Handling, Peak 4 | 1200 W | 1200 W (LF) + 320 W (HF) |
| Sensitivity (SPL / 1 W @ 1 m) | 94 dB | 94 dB |
| Calculated Maximum SPL @ 1 m, Continuous 5 | 115 dB | 116 dB |
| Calculated Maximum SPL @ 1 m, Peak | 121 dB | 122 dB |
| Crossover | Internal passive or external bi-amp. Use Bose Professional presets for optimal performance when bi-amplified. | |
| Loudspeaker EQ | Bose Professional presets available | |
| TRANSDUCERS | ||
| Low Frequency | 1 × 8.0 in (203 mm) woofer | |
| High Frequency | 1 × 1.7 in (43 mm) compression driver | |
| Nominal Impedance | 8 Ω, passive / 8 Ω (LF) + 8 Ω (HF), bi-amp | |
| PHYSICAL | ||
| Enclosure Material | Birch plywood | |
| Finish | 2-part spray polyurethane coating, black | |
| Grille | Perforated steel, powder-coated finish, black | |
| Logo | Rotatable | |
| Environmental 6 | IP43, protected-outdoor usage | |
| Connectors | (1) Neutrik® speakON® NL4, (1) barrier strip | |
| Suspension / Mounting | (6) M10 threaded inserts (2 on top, 2 on bottom, 1 per side)
(4) M8 threaded inserts (rear panel, for surface-mount pan-and-tilt bracket) (4) M6 threaded inserts (1 on top, 1 on bottom, 1 per side) (3) M8 threaded inserts (bottom, for external pole adapter) |
|
| Product Dimensions (height × width × depth) | 318 mm × 318 mm × 279 mm (12.5 in × 12.5 in × 11.0 in) | |
| Net Weight, Single Loudspeaker | 12.7 kg (28.1 lb) | |
| Shipping Weight | 14.7 kg (32.3 lb) | |
| Package Contents | (1) Forum FC108, (1) installation guide | |
| Optional Accessories | Forum FC108 U-bracket, AMM suspension bracket, surface-mount pan- and-tilt bracket, AMUPOLEAT external pole adapter | |
| PRODUCT CODES | |
| Forum FC108 loudspeaker | A00205-0100 FC108 MULTIPURPOSE LDSPKR |
| Forum FC108 U-bracket | A00508-0100 FC108,U-BRACKET,BLACK |
| AMM suspension bracket | 843344-0010 AMM SUSPENSION BRACKET |
| AMUPOLEAT external pole adapter | 893630-0100 KIT,AMU POLE CUP,BLK |
| Surface-mount pan and tilt bracket, black | 889687-0100 PAN & TILT BRACKET,BLK |
| Surface-mount pan and tilt bracket, white | 889687-0200 PAN & TILT BRACKET,WHT |
Footnotes
- Frequency response and range measured in passive mode using Klippel Near Field Scanner (NFS) system.
- AES transducer test and Bose Professional extended-lifecycle test, passive and bi-amplified.
- Bose Professional extended-lifecycle test using pink noise filtered to meet IEC 268-5, 6-dB crest factor, 500-hour duration.
- Bose Professional peak power test using 6-dB crest factor pink noise, 96-hour duration with recommended loudspeaker processing.
- Maximum SPL calculated using sensitivity and power ratings, exclusive of power compression.
Frequency Response
Beamwidth
Dimensions
- Dimensions are shown in millimeters over inches.
- Dimensions also apply to opposite side.
© 2025 Transom Post OpCo LLC. All rights reserved. Bose is a trademark of Bose Corporation. Neutrik and speakON are registered trademarks of Neutrik AG. All other trademarks are the property of their respective owners.
For additional specifications and application information, visit BoseProfessional.com. Specifications are subject to change. 06/2025
FAQS
Q: Can the Forum FC108 loudspeaker be used outdoors?
- A: Yes, the loudspeaker is IP43-rated for protected outdoor environments.
Q: What is the power handling capacity of the Forum FC108?
- A: The loudspeaker has a power handling capacity of 150W long-term continuous and 1200W peak.
Documents / Resources
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BOSE FC108 Full Range Coaxial Point Source Loudspeaker [pdf] Owner's Manual FC108, FC108 Full Range Coaxial Point Source Loudspeaker, FC108, Full Range Coaxial Point Source Loudspeaker, Range Coaxial Point Source Loudspeaker, Coaxial Point Source Loudspeaker, Point Source Loudspeaker, Source Loudspeaker |