Bose FreeSpace 3 Series I Acoustimass Module

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Bose Professional FreeSpace 3 Acoustimass bass Module designed to provide surface-mount bass augmentation for new and existing background music systems.



Bose FreeSpace 3 Series I Acoustimass Module – Doneo Malta

Product Overview

Technical Summary

Frequency Response (+/-3 dB)
50 Hz – 230 Hz

Frequency Range (-10 dB)
40 Hz – 315 Hz

Nominal Dispersion
Omni-directional below 200 Hz

Long-Term Power Handling
70/100 V: 200 W (800 W peak) mono
Low impedance: 50 W (200 W peak) per channel stereo or 100 W (400 W peak) mono

Sensitivity (SPL / 1 W @ 1 m)
Per channel: 76 dB SPL (Mono: 79 dB SPL)

Maximum SPL @ 1 m
Per channel: 96 dB SPL (102 dB SPL peak)
Mono: 102 dB SPL (108 dB SPL peak)

Nominal Impedance
5 ? mono direct (transformer bypassed)


  • Retail stores
  • Restaurants and bars
  • Lobbies and conference rooms

Key Features

  • Low-frequency loudspeaker featuring one 5.25″ (133mm) woofer that delivers deep, non-localized bass down to 40 Hz without audible distortion. For surface-mount applications
  • Acoustimass speaker technology filters out audible distortion to deliver non-localized bass
  • Designed to work with the FreeSpace 3 surface and flush satellite speakers, or existing systems where additional bass reinforcement is desired
  • Module design allows parallel connection of multiple bass modules and can accommodate two or four FreeSpace 3 satellites per bass module
  • Selectable 70/100V or low impedance


High-density wood composite with solid color PVC laminate

Indoor use only

Screw terminal

Suspension / Mounting
Wall bracket included (attached to module)

Dimensions (Enclosure only)
14.0″ H x 7.5″ W x 13.5″ D (356 mm x 191 mm x 342 mm)
Width, bracket attached: 8.8″ (222 mm)

Net Weight
17.5 lb (7.9 kg)- with bracket

Black, White, Paintable

Package Contents
1 loudspeaker

Additional information

Speaker Type

Bookshelf / Wall-Mounted, Surface mount, 100 Volt, Subwoofer




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