BOSE Freespace 3 Series I Surface Acoustimass Black
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BOSE Freespace 3 Series I Surface Acoustimass Black

Bose FreeSpace 3 Series I Acoustimass bass module - Black

Designed to provide surface-mount bass augmentation for new and existing background music systems. Features one 5.25" (133 mm) woofer that delivers deep bass down to 40 Hz without audible distortion.

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Product Code:
  • 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

For indoor applications only.

Mechanical Diagrams


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

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 Ω mono direct (transformer bypassed)


Loudspeaker Files

Mechanical Files

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Technical Information

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Business Music System Designer
    • Weight
      7.9 kgs
    • SKU
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