Acoustimass 300 wireless bass module




Thunderous bass. Wireless connectivity.

Love your new SoundTouch soundbar but want to kick the performance up a notch? Add the Acoustimass 300 wireless bass moduleÔÇöit's the difference between hearing bass and feeling thunder. Designed exclusively for the SoundTouch 300 soundbar, it's the best Acoustimass module we've ever designed for any of our home cinema systems. In fact, it's the best performance you can get for a subwoofer this size. It connects wirelessly to the soundbar and provides a more immersive experience for everything you listen to or watch.


With its premium glass-top finish, the Acoustimass 300 wireless module offers a sophisticated look you won't find in typical subwoofers or home cinema equipment. Of course, this isn't typical equipment. This newly designed subwoofer delivers a dynamic range of bass from a powerful driver and generously sized port with QuietPort technology that virtually eliminates distortion.

Complete the package

Adding the Acoustimass 300 module to your SoundTouch 300 soundbar is a huge win for your home cinema experience. Even more amazing when you consider its compact size. But that's not the only compact add-on available. Virtually Invisible 300 wireless surround speakers can complete the package for a full surround sound experience. Like the Acoustimass module, they have a wireless range of 9 metres. They stand less than 10 cm high and blend nicely into your room.




  • Acoustimass wireless bass module:29.5 cm W x 29.5 cm D x 32.5 cm H (13.6 kg)

What's in the box

  • Acoustimass 300 wireless bass module
  • Power cable
Rated 5 out of 5 by from Mindblowing Performance Its been years since i've found a product that can actually reproduce jaw-dropping bass. The size is deceiving, when you hear it the first time, you cant believe the massive sound it produces. The powerful lows its able to product are just WOW ! I didt know that the music i was listening to since so many years had such hidden bass frequencies, other systems were just not able to achieve it. The module adjusts as per the song, it can produce the kick and slam beats as well as push out the smoothest and deepest notes for classic songs that will just drive you crazy. There is no excess bass leakage, nor any excessive resonance, very clean and well defined bass which travels throughout the room regardless of placement of the module. The price is high just for a bass module, but its worth the money if you are a person that looks for perfection and appreciates good bass.
Date published: 2018-06-10
Rated 5 out of 5 by from Massive massive sound Wow!!!!! I bought the sound bar and the mini speakers. Then..... I bought the acoustimass speaker a few weeks later. The sound clarity without the bass module was very good. But add the bass module and the sound dimension and depth went up exponentially. Saying it took it to a new level would be an understatement. The sound is totally immensely deep and immersive. This exceeded expectations. I rarely write reviews. If your budget can handle this purchase, it is worth it. Oh and it can run you out of the room. I have a new respect for the volume setting. ;-)
Date published: 2018-05-05
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Do I need to rerun the ADAPTiQ® audio calibration system when the Acoustimass® 300 wireless bass module is added to the SoundTouch® 300 soundbar?

Yes, we strongly recommend that you rerun ADAPTiQ® if you add the Acoustimass® 300 to your system.

What is the range of the wireless link between the SoundTouch® 300 soundbar and the Acoustimass® 300 wireless bass module?

The Acoustimass® 300 is intended for use in the same room as the SoundTouch® 300 and has a range of about 9 metres. We recommend placing the Acoustimass® 300 somewhere at the front of the room for optimum sound quality.

Can the Acoustimass® 300 wireless bass module be wired?

Yes. If for some reason the customer prefers a wired connection, then the Acoustimass® 300 bass module and the SoundTouch® 300 soundbar can be hardwired together using a standard 3.5 mm audio cable. Contact your local Bose customer service provider or purchase this standard cable at any electronics store.

What placement guidelines should be considered to ensure optimal audio performance of the Acoustimass® 300 wireless bass module?

For best sound quality, the Acoustimass® 300 should be placed on the floor against the same wall as the television and soundbar, with an electrical outlet nearby for the power cable. The module should not be placed on a shelf or table.

Can I add the Acoustimass® 300 wireless bass module to other one-piece SoundTouch® speakers, such as the SoundTouch® 10 wireless music system?

No. The Acoustimass® 300 can only be added to the SoundTouch® 300 soundbar.



Owner's guide

Quick start guide


Acoustimass 300 wireless bass module