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 module—it’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 theater 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 theater 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 theater 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 30 feet. They stand less than 4" high and blend nicely into your room.




  • Acoustimass wireless bass module:11.61" W x 11.61" D x 12.80" H (30 lbs)

What’s in the box

  • Acoustimass 300 wireless bass module
  • Power cord
Rated 5 out of 5 by from Speechless!!! Still shocked !! I bought the complete package from Best Buy a few weeks back and OMG...! It's really nice! I live in an apartment so I can really blast it :( like I want to but I have turn the volume up a bit to appreciate the sound quality and it's pretty amazing! My only thing and I know others have said I wish and hope Bose comes out with an app update to where u can turn up and down the volume on the sub and the surround speakers as well, but other then that sounds pretty pretty pretty good! Thumbs up to boss ! Although I haven't got the full on turning it up and vibrating the walls like others have with it being mainly at low volumes it still delivers enough punch to enjoy suck quality and clarity! Definitely sounds more so better with a 4K blu ray player( Xbox one s! ) games sound awesome as well! Just overall amazing! Thanks Bose for such an outstanding product! I look forward to seeing those updates maybe!! :)o
Date published: 2017-02-16
Rated 5 out of 5 by from The Beast I bought this y'day and I call it "The Beast" simply because the bass sounds unbelievably massive. Turn this up and everything starts to vibrate around you. If you've already purchased the soundbar and think that's enough, you have no idea what you're missing on! Go for it and after listening to this youl forget how much you've paid for it.
Date published: 2017-01-22
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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 30 ft. We recommend placing the Acoustimass 300 somewhere in 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 cord. 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


Acoustimass 300 wireless module