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Customer Ratings & Reviews

Your price for this item is $449.99
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The comparable value price is $899.99

Customer reviews

Rating 4.8 out of 5 stars with 135 reviews

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Rating by feature

  • Value

    Rating 4.5 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.7 out of 5 stars

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96%would recommend to a friend

Customers are saying

Customers appreciate the Dynamo 800X subwoofer's exceptional sound quality and strong bass response, frequently praising its clean and powerful output. Many also highlight the subwoofer's surprisingly compact size and relatively easy setup, along with the convenient wireless capabilities and user-friendly app for adjustments. The ease of use and powerful performance are also frequently cited as positive aspects.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 5 Showing 81-100 of 135 reviews
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Great bass

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great bass sound for my home. It is a nice addition to my system.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Great output very realistic

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Martin Logan always impresses - great addition to my electrostats for real sound

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    GREAT sound

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Definitely enhances your viewing experience and allows for theater like sound.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Impressed so Far.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Wonderful bass feeling without being overpowering.

    I would recommend this to a friend
  • Pros mentioned:
    Bass

    Rated 5 out of 5 stars

    Subwoofer

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This gives the perfect amount of bass. Excellent for the living room.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    2 subs are better than 1!

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amazing sub. Bought it so i could pair it with my ML 700W and i am not disappointed!!!

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Subwoofer

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome sound with subwoofer, geeks did wonderful job installing system.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Great sub!

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great sound, makes the floor shake yet still clear.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Amazing Sub

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Incredible sub... Amazing sound from the 800, highly recommend.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    These subwoofers are incredable.

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I listened to a lot of speakers in the Magnolia department of Best Buy. The staff was extremely helpful and knowledgeable about all manufacturers and speakers. The in store delivery was on time and pick up with assistance from the staff was a great help.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    It moves a lot

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It's good for what I need not great just good but it will move all over the floor when it's on and nobody from Best Buy told me that or how to stop it from moving

    I would recommend this to a friend
  • Pros mentioned:
    Bass

    Rated 5 out of 5 stars

    Subwoofer

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great bass characteristics that can be controlled by phone app

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Small in size but deep clean bass

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Using optic input. Small unit delivers deep clean bass in 30x20 space.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Martin Logan sub

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome subwoofer. Wireless works perfect.........

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Great bass!

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very high quality. We use it in our theatre room and it sounds great!!

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Martin Logan sub

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Incredible bass! Love the app and room correction!

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Subwoofer

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great sound and easy to set up with wireless remote

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Boom Boom Sound

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    What a great little Sub-woofer this is! Don't let its size fool you, it is a heavy weight on performance!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Awesome sound easy to use

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product, ease of use. I recommend this product.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    great speaker

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    this is part of a system for my home. i was able to hear it all in store and am very impressed. you can't go wrong here.

    I would recommend this to a friend
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