Previous image
BOSE 3 Flush Acoustimass White
Next image
Zoom image

BOSE 3 Flush Acoustimass White

Bose FreeSpace 3 Series II Acoustimass module - White

Designed to provide flush-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.

Please or to buy this product.
Out of stock
Product Code:


Low-frequency loudspeaker featuring one 5.25" (133 mm) woofer that delivers deep, non-localized bass support down to 40 Hz without audible distortion. For flush, ceiling, pendant and wall-mount applications

Acoustimass speaker technology filters out audible distortion to deliver non-localized bass

Designed to work with the FreeSpace 3 flush and surface 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

Plenum rated for use in air handling spaces (with optional plenum cover)

Selectable 70/100V or low impedance with transformer tap adjustment under speaker grille

For indoor applications only.

Mechanical Diagrams

Front ViewBack ViewSide View


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

Technical Summary

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

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 
6 Ω mono direct (transformer bypassed)


Loudspeaker Files

Mechanical Files

Compliance Documents

Technical Information

Product Images



Manufacturer Product Code: 

Black                           White
843090-0110                843090-0210

    • Weight
      6.4 kgs
    • SKU
  • Manufacturers
    • Manufacturer