The Bose FORUM-FC-108 passive PA speaker is a full-range coaxial speaker with an 8" woofer and an internal passive crossover. Beamwidth Matching Waveguide technology provides 110° × 60° coverage, while peak SPL reaches 122 dB. The Baltic birch plywood enclosure has a rotatable cabinet and a perforated powder-coated steel grille.

With an IP43 rating, it is designed for indoor and sheltered outdoor use. Mounting options include a U-bracket, a surface-mount bracket with pan and tilt, a suspension rail, and optional eyebolts for suspension. Factory-optimized speaker presets are available when paired with Bose Professional amplifiers and processors.

• Type: Passive PA speaker
• Quantity: 1 piece
• RMS power: 150 W
• Maximum peak power: 1,200 W
• Woofer: 8"
• Frequency response: 53 Hz–20,000 Hz
• Maximum sound pressure level: 122 dB peak, 116 dB continuous
• Sensitivity: 94 dB SPL/1 W at 1 m
• Coverage: 110° horizontal × 60° vertical
• Impedance: 8 Ω in passive mode, 8 Ω low-frequency + 8 Ω high-frequency in bi-amp mode
• Enclosure material: Baltic birch plywood
• Grille: Perforated powder-coated steel
• Protection rating: IP43
• Suspension points: M10 threaded inserts
• Dimensions: 31.7 × 31.7 × 29.1 cm (height × length × depth)
• Weight: 12.7 kg
• Color: Black
• Package contents: Installation guide