Freespace 3 flush-mount acoustic bass

Power and versatility for professional environments

The Bose 843090-0210 is a high-performance passive subwoofer module designed to provide deep, non-localized bass support down to 40 Hz without audible distortion. Ideal for small to medium-sized environments such as retail stores, restaurants, bars, lobbies and conference rooms, this module integrates seamlessly into existing or new background music systems.

Main features

• 5.25" (133 mm) woofer : powerful and defined bass.

• Acoustimass Technology : Eliminates audible distortion for clean sound.

• Modular Design : Supports multiple bass modules and up to 4 satellites per unit.

• Versatile installation : Compatible with ceiling, wall or recessed installations.

• Compatibility : Works with FreeSpace 3 in-wall or surface mounted speakers.

• Certified for plenum use : with optional accessories.

• Integrated transformer : for 70/100V or low impedance systems.

Technical specifications

• Frequency response (-10 dB) : 40 Hz – 315 Hz

• Frequency response (±3 dB) : 50 Hz – 230 Hz

• Maximum SPL : up to 108 dB (peak)

• Nominal Impedance : 6 Ω (mono, transformer bypassed)

• Continuous power :

  • 70/100 V: 200 W (800 W peak)

  • Low impedance: 50W per stereo channel or 100W mono

• Sensitivity : 79 dB SPL (mono)

• Driver : 5.25" dual voice coil woofer

• Cabinet Material : PC/ABS

• Dimensions (Ø × depth) : 391 mm × 189 mm

• Ceiling hole required : 362mm

• Weight : 6.4 kg

• Color : White