251® environmental speakers

For a limited time


Our best wall-mount outdoor speakers

Music is made for the outdoors, so make sure getting the most from it. Experience balanced stereo sound over a much wider area than most conventional outdoor speakers can offer. Our 251 speakers deliver that sound with a refined design that adds a touch of elegance to your outdoor spaces. They’re guaranteed to withstand harsh weather.

  • Extremely wide sound field for larger outdoor areas
  • Outside speaker cabinet designed to reproduce low frequencies with minimal audio distortion
  • Tested to withstand snow, rain, salt and extreme temperatures
  • Weather-resistant brackets and hardware included

Mount 251 outdoor stereo speakers to your exterior walls, connect to your stereo components, and enjoy quality Bose sound as you move around your yard.

Speakers that have you covered

With conventional outside speakers, stereo sound can be heard in only a few "sweet spots" and not all around your patio, pool or yard. And they often can't reproduce the low frequencies that provide impact.

Bose 251 speakers use an Articulated Array® speaker design to produce an extremely wide sound field. Each speaker cabinet houses two drivers set at precise angles so you experience consistent stereo effects as you move around outdoors. And the unique multi-chambered design of the Bose 251 exterior speaker cabinet minimizes audible distortion from low frequencies, for sound with clear, natural impact.

Bose outdoor speakers are designed for harsh conditions. These weather resistant speakers are engineered and tested to withstand snow, rain, salt and temperature extremes of 140° F to -22° F. They are also protected by a five-year limited warranty.


  • Articulated Array® speaker design includes precisely positioned drivers to provide a large, consistent sound field for outdoor listening.
  • Bose environmental testing simulates exposure to sunlight, rain, heat, ice, salt and water—proof of the extreme conditions these outdoor speakers can endure and still deliver reliable, long-lasting performance.
  • Multi-chambered enclosure is uniquely structured to minimize audible distortion from low frequencies. You can enjoy clear, natural sound from an outside speaker enclosure that easily mounts to walls in your deck, garden or pool area.
  • One woofer (5.25") in a proprietary multichambered enclosure produces deep, full low frequencies, with minimal audio distortion.
  • Twiddler® drivers (2.5") with glass composite cone and silky light surround deliver clear, high frequencies from a speaker that resists deterioration under extreme conditions.
  • Two full-range drivers (2.5") positioned in an Articulated Array® speaker design provide consistent, lifelike sound over a large listening area.
  • Mineral and glass-filled polypropylene cabinet provides added durability against extreme conditions.
  • Woofers (5.25") with polymer fiber composite cone and butyl rubber surround deliver high quality sound from a speaker that resists deterioration under extreme conditions.
  • Weather-resistant brackets and hardware withstand the rigors of year-round outdoor placement.
  • Syncom® computer tested to ensure one of the highest levels of quality and reliability in the audio industry.



  • Each speaker:13.5" H x 5.75" W x 8" D (8 lbs)

In the box

  • 2 Speakers
  • Mounting hardware (8 screws and 8 plastic anchors)
  • Self-adhesive rubber feet
  • 4 Knobs
  • 2 Brackets

Other items you may need

  • Speaker wire (For help choosing the appropriate gauge, see the owner's manual.)
Rated 5 out of 5 by from 13 years and still wonderful.... I have two pair that are in a covered outdoor room that is 16 x 20 in size. The 251's use of two tweeters angled provides a wide sound field creating a great result for outdoor use. The sound is excellent even at low volume making it easy for my guests to both enjoy it and not have to talk over the music. One pair is installed high in the corner surrounded by wood which amplifies the bass. The other pair is surrounded by just air. Where they are installed makes a big difference as my two pairs sound very different when isolated offering an obvious lesson in acoustics. I use a pair of outdoor volume switches to balance them. I previously had them in another house where one pair were installed high covering a back yard and flooded a large area with sound. These speakers can play loud if need be. My experience with them in three different locations gives me a unique perspective in recommending them and attesting to there versatility . Few outdoor speakers will provide satisfying bass but if you have a choice of where to install, using acoustic common sense can aid in improving the bass. Mounted on wood vs. brick will change the sound, in corners vs open air.....etc. This is true with all speaker installations. Speaker reviews are subjective based on personal preference and expectations. These speakers are not bass monsters and their indirect tweeter array provides a wide sound that produces little fatigue. Auditioning any outdoor speaker outside of its actual installation is nearly a useless exercise. This model has now been around at least 15 years and obviously has been a good seller for Bose. I can say over the 13 years I have owned them, these speakers are durable, versatile and lived up to expectations at the premium price.
Date published: 2016-07-07
Rated 5 out of 5 by from Simply Amazing! Bought these speakers 4 months ago. I have always bought bose products, so when the time came when I needed outdoor speakers, of course I looked at Bose. As I researched the 251 and came across a few negative reviews. These made me doubt a little and started researching other speakers. After a while, I came back to the Bose 251 and the Bose amplifier and finally made the purchase. I installed them with the included brackets outside my house, and downloaded the Bose app.Played some music and the moment the sound came from those speakers I asked my self how I could ever have doubted Bose. The sound is absolutely incredible. I have no idea what any reviewer could have found at fault with these speakers other than perhaps the price. What I say is you are paying for quality and that's exactly what you get. Their size is perfect. The sound and the base are crisp and rich. Everyone that comes to my house marbles at the sound that comes out of these speakers. So glad I went with my heart. Thanks Bose for another great product.
Date published: 2016-06-02
  • 2016-10-20T07:43CST
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Can I mount the speakers horizontally and vertically?

251 speakers are designed for vertical mounting only.

What conditions and temperature extremes can these speakers withstand?

251 speakers are designed to withstand:

  • Sun, high humidity (rain and snow), salt and fog
  • Temperature extremes (-40° F to 158° F; -40° C to 70° C) 
  • Permanent outdoor installation

Can these speakers be combined with my Lifestyle or SoundTouch system?

Yes. You can combine these with the SA-5 amplifier to expand your Lifestyle SoundTouch entertainment system or SoundTouch home theater system to a second room or outdoors.

What is the warranty on these speakers?

251 speakers carry a five-year limited warranty.



Owner's guide