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. Features 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.
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. Features 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.
in 7 offers
last seen 27 Oct 2026
The lowest price we last saw for Bose Professional FreeSpace 3 Series II Acoustimass Subwoofer Module in White 843090-0210 was $250.00 at eBay.com.au, compared across 5 retailers (last seen 27 Oct 2026). Prices may have changed since.
The all-time low we recorded was $248.88 on 3 Mar 2024.
Prices last updated 27 Oct 2026.
Bose Professional FreeSpace 3 Series II Acoustimass Subwoofer Module in White 843090-0210
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. Features 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.
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. Features 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.
Last updated at 27/10/2026 08:43:06
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Delivery $40
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Bose 40147 FreeSpace 3 Flush Mount Bass Module Subwoofer White
30-day returns
Bose Professional FreeSpace 3 Series II Acoustimass Subwoofer Module (White)
Delivery between 2–5 Nov $56.08
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Delivery $9.90
BOSE FreeSpace 3 Flush Bass Module Single
Delivery between 29 Oct – 4 Nov $20
originally posted on ebay.com
Why dont you describe that this is only a speaker? Being deceptive is not what an honest person does!
| Active or Passive | Passive |
| Number of Included Speakers | 1 |
| Speaker Configuration | Subwoofer |
| Enclosure Type | Sealed |
| LF Driver | 1 x 5.25" / 133.35 mm |
1x Bose Freespace 3 Series Ii Accoustimass Module - White
Delivery $40
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Bose 40147 FreeSpace 3 Flush Mount Bass Module Subwoofer White
30-day returns
Bose Professional FreeSpace 3 Series II Acoustimass Subwoofer Module (White)
Delivery between 2–5 Nov $56.08
Acoustimass Bass Module - Flush Mount
Delivery $9.90
BOSE FreeSpace 3 Flush Bass Module Single
Delivery between 29 Oct – 4 Nov $20
Why dont you describe that this is only a speaker? Being deceptive is not what an honest person does!
| Active or Passive | Passive |
| Number of Included Speakers | 1 |
| Speaker Configuration | Subwoofer |
| Enclosure Type | Sealed |
| LF Driver | 1 x 5.25" / 133.35 mm |
