Bose FreeSpace Series II Acoustimass Subwoofer Module

The Bose FreeSpace Series II Acoustimass Subwoofer Module delivers deep, distortion-free bass for professional background music systems. Engineered for flush-mount, wall, or ceiling installations, this versatile subwoofer enhances audio performance across commercial environments without introducing unwanted resonance or heat buildup.

Equipped with a high-efficiency 5.25-inch woofer, the Acoustimass Module produces bass frequencies down to 40 Hz with remarkable clarity. Its 200-watt RMS power handling ensures strong, consistent low-frequency response, making it an ideal choice for restaurants, retail stores, lobbies, and conference spaces. Designed for seamless integration with FreeSpace full-range speakers, it extends system performance with smooth tonal balance.

Available in black or white, the FreeSpace Series II Acoustimass Subwoofer combines clean design with exceptional reliability. Its durable enclosure and flexible mounting options make it a preferred solution for integrators seeking high-quality bass reinforcement in fixed-installation audio systems.

Key Features

• Deep low-frequency reinforcement for commercial background music systems
• 5.25-inch woofer for compact bass performance
• 200W power handling for strong low-frequency output
• Flexible mounting options supporting flush, wall, ceiling, and pendant installations
• Consistent acoustic integration with compatible Bose commercial loudspeaker systems
• Compact installed design for discreet use in commercial environments
• Available in black or white for aesthetic flexibility
• Durable commercial construction for fixed-installation audio systems

Technical Specifications

• General
  • Manufacturer: Bose Corporation
  • Brand: Bose
  • Product Line: FreeSpace
  • Product Model: FreeSpace 3 Series II Acoustimass Module
  • Product Type: Subwoofer / bass module
  • Number of Speakers: 1
  • Application / Usage: Bar, conference room, lobby, restaurant, retail store
  • Warranty: 5 years limited
  • Country of Origin: Mexico
  • Manufacturer Part Numbers: 843090-0110 (Black), 843090-0210 (White)
• Driver
  • Woofer Size: 5.25 in (133 mm)
  • Driver Type: Dual-voice-coil low-frequency driver
• Performance
  • Power Handling: 200W RMS
  • Frequency Response (+/-3 dB): 50 Hz – 230 Hz
  • Frequency Range (-10 dB): 40 Hz – 315 Hz
  • Nominal Dispersion: Omnidirectional below 200 Hz
  • Sensitivity: 79 dB
• Electrical
  • Impedance: 6 Ohms
  • Features: Overload protection
• Mounting
  • Mount Type: Ceiling mount, wall mount, pendant mount, flush mount
• Physical
  • Width: 17.8 in
  • Length: 17.63 in
  • Height: 11.1 in
  • Diameter: 15.4 in
  • Color: Black or white

Installation & Use Case

This bass module is intended for installed commercial audio systems where added low-frequency support is needed without using a large traditional subwoofer enclosure.

• Restaurants
• Retail stores
• Lobbies
• Conference rooms
• Commercial background music systems

Package Contents

• Bose FreeSpace Series II Acoustimass Subwoofer Module