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Customer Ratings & Reviews

Your price for this item is $187.99
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The comparable value price is $249.99

Customer reviews

Rating 4.7 out of 5 stars with 2764 reviews

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Rating by feature

  • Value

    Rating 4.7 out of 5 stars

  • Quality

    Rating 4.7 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

95%would recommend to a friend

Customers are saying

Customers regard the Core Series 10" 115W Active Subwoofer favorably, particularly praising its exceptional sound quality and powerful bass. Many appreciate its ease of use and the relatively compact size. A few customers mentioned the short length of the connecting cable as a minor drawback.

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 8 Showing 141-160 of 2,764 reviews
  • Pros mentioned:
    Bass, Sound quality

    Rated 5 out of 5 stars

    Great

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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.

    Sounds great to me. I am not the kind that can tell the difference between a $100 or $500 speaker, so this sub was perfect. Black Friday deal made this even more appealing. BB has really great staff for the most part, and my rep gave me a piece of advise that I followed. He said to set the volume to 50% and the cut off frequency to the highest value (200 Hz). Works great!

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi CharlieB,

      Wow! That's awesome! We are truly pleased to hear you are happy and satisfied with the amazing sound quality of our SA-CS9 115W 10” Active Subwoofer. You’re going to love the room-filling sound that Mica-Reinforced drivers can deliver. You’ll experience deeper, more precise bass reproduction than ever before and be amazed as your music and movies come alive!

      Thanks for sharing your wonderful experience and for choosing Sony!

      - Romeo Sony_US

  • Pros mentioned:
    Ease of use, Price, 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.

    Great Sound an was very easy to hook up Plus the price was good..

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi Pamela, we're glad you like the sound quality of our product. SA-CS9 gives you deep, rich bass from this powerful active subwoofer, and it includes a built-in amplifier with up to 115 W power output. The unit is powerful and compact, perfect for easy installation in tight spots. Because of the reduced baffle area, the speaker minimizes sound field distortion for optimum clarity and precision. Thank you for choosing SONY. ~Earl Sony_US

  • 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.

    Excellent addition to my system. Had an older subwoofer that I moved to the basement. This one sounds great and not overpowering.

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hello MichaelK, thank you for your great review! We couldn't be happier to hear that the Core Series 10'' subwoofer is a perfect addition to your system and that it strikes the right balance in sound without overpowering. Thank you for choosing Sony! Sincerely, -Jenn. Sony_US

  • Pros mentioned:
    Bass, Sound quality

    Rated 5 out of 5 stars

    Great

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

    I've never had a subwoofer with my surround nut always found the ones my family or friends have always added depth and richness that surrounds are not meant to add. I finally saved up for this Sony, added it to my very old receiver and I swear, it's very much like giving adrenaline to an old system. It sounds great, Jurassic Park steps feel like they're just outside the house. I'd recommend this to anyone.

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi Rogue,
      We're really glad to hear that you are already having a good time with your Subwoofer! Thank you for choosing Sony! >Joffrey Sonystyle

  • Pros mentioned:
    Bass, Sound quality

    Rated 5 out of 5 stars

    Good Value

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Added just the right amount of low end for Xbox. TV sounds good also.

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi maslan, Thank you for your positive feedback on the Sony SACS9 subwoofer! We're thrilled to hear that it has enhanced your Xbox gaming experience with just the right amount of low end. It's also great to know that your TV sounds good with it. Thanks for choosing Sony! -Sam Sony_US

  • Pros mentioned:
    Bass, Sound quality

    Rated 5 out of 5 stars

    Great Sound & Great Price

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

    Just during Happy Hour this evening, I commented on how this subwoofer changed our living room - we now have cocktail hour there as this sub delivers perfect sound...and brings life to the party (and it's only 1/2 up regarding the base it could deliver). Bought for $120 - would not hesitate to buy again!

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi Pugo40, Thanks for purchasing your new SA-CS9 115W 10” Active Subwoofer. You’re going to love the room filling sound that Mica-Reinforced drivers can deliver. You’ll experience deeper, more precise bass reproduction than ever before and be amazing as your music and movies come alive! Thanks for your purchase! Thank you for choosing Sony. Erin Sony_US

  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Love this subwoofer

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

    This is perfect for the theater room, It produces just enough bass to fill the room. Great quality. Easy setup, and auto on helps greatly.

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi, Jack,

      Thanks for the review and the 5-stars rating! We couldn't be happier to hear how the product has met your needs effectively! Keep enjoying the powerful bass and the booming lows to enhance the experience!

      Thanks for choosing Sony, have an amazing day!
      -DiegoV Sony_US

  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Great Powerful addition to my movie room

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

    I got really lucky with this subwoofer at one of the Best Buy locations on my area. It had been in the Open Box section because someone literally purchased it and opened the box but never removed the product from the box so I was able to scoop this at a cool $75. If you want to know power, this is the best BANG I’ve gotten for the BUCK and even at $150 its still a great buy, Sony never disappoints!

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

    Rated 5 out of 5 stars

    Wow!

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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.

    This subwoofer has a deep, rich, booming bass. I am stunned by the sound resolution of this relatively small subwoofer. Years ago, I owned a larger other name brand subwoofer, but this one is far better. This one provides movie theater sound. I am very pleased with this Sony product.

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi MidTownMusicFan,

      Thank you for the 5-star rating! Good to hear you like the sound quality of the speaker. You’re going to love the room filling sound that Mica-Reinforced drivers can deliver. You’ll experience deeper, more precise bass reproduction than ever before and be amazing as your music and movies come alive! Thanks for your purchase!

      Regards,
      David Sony_US

  • Pros mentioned:
    Ease of use, Size, Sound quality

    Rated 4 out of 5 stars

    A good buy

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

    Nice addition to my theatre sound system. Smart and good quality bass. Compact size a bonus. easy to install

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi Michaelby, Thanks for purchasing your new SA-CS9 115W 10” Active Subwoofer. You’re going to love the room-filling sound that Mica-Reinforced drivers can deliver. You’ll experience deeper, more precise bass reproduction than ever before and be amazing as your music and movies come alive! Thanks for your purchase! Jay Sony_US

  • Pros mentioned:
    Bass, Price

    Rated 4 out of 5 stars

    Sony Subwoofer

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

    Added lots of bass to my system at a great price. And has both line/in and Sub/out connections. It sounds boomy but you can adjust the level and cross-over to compensate for it. Good buy.

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi AnthonyK, We're glad to hear you appreciate the deep, rich bass of our SACS9 that is enough throughout your listening environment. Good to know you like the LINE IN jacks and it allows you to adjust the sound of the subwoofer, reinforcing the bass sound gives you a greater sense of atmosphere that is also noteworthy. Thank you for choosing Sony! -Jess Sony_US

  • Pros mentioned:
    Size

    Rated 5 out of 5 stars

    Small woofer, big sound

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Compact yet plenty of power, ideal for a small to midsize theater room. The unit can sense when your receiver is on by the input line and thus turns itself on provided its in the standby mode. Therefore no need for a separate subwoofer remote like some units have. Looks good and doesn't take up too much space. Highly recommend this subwoofer.

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi dil421,

      Thank you so much for the 5-stars review! It is really nice to hear you are happy and satisfied with the incredible bass sound quality and features of your new SA-CS9 115W 10” Active Subwoofer. You’re going to love the room-filling sound that Mica-Reinforced drivers can deliver. You’ll experience deeper, more precise bass reproduction than ever before and be amazed as your music and movies come alive!

      Thanks for recommending our SA-CS9 and for choosing Sony!

      - Romeo Sony_US

  • Pros mentioned:
    Size, Sound quality

    Rated 5 out of 5 stars

    An Excellent Choice for Audiophiles

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

    For ten years I had a Boston Acoustic eight inch down firing subwoofer. It finally crapped out on me and I had to replace it. I originally was going to get a Polk sub, but after hearing the Sony on the store demo, my wife and I were quite impressed and we decided to get this one. We definitely made the right choice! One tip that I have is to turn off the power saving mode. It clicks on when the bass kicks in, and it's kind of awkward.

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

    I bought a Onkyo 7.2 to replace my worn out JVC. I was running it on the 5.1 system. I wasn't feeling the bass i wanted. I researched some subs and wanted at least a 10-inch sub. I ran across this Sony. Plugged it up and WOW! What a difference the bass made. I was feeing that just one wasn't doing the trick and needed a twin. So I went and bought another Sony. WOW ! They Rock everything in the house !! Thank You !!!

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi Cooktop,

      You made the right choice with the Sony SACS9! We're thrilled that you are enjoying the sound quality of the subwoofer. Thank you for choosing Sony!

      -Ralph Sony_US

  • Pros mentioned:
    Bass, Sound quality

    Rated 5 out of 5 stars

    Good sub

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

    Got this as a Christmas present. It comes with a cheap rca universal cord, so you don't need to buy one. The clerk at Best Buy told me you had to have one, but she was wrong. Lucky they take returns. I plugged it in to the stereo and power supply, adjusted the volume and blamo - works perfectly. The sound is really deep and strong, so you may have to play with the volume. I initially had it up too high and had to turn it down. It is perfect. Awesome bass.

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

    Rated 5 out of 5 stars

    So great we got 2!

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    These really push some good bass. We run 2 of these and are totally blown away with the quality of rumble we get out of them for such a low price!

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi MDM92, That's awesome! We're thrilled to hear you like the powerful bass this unit delivers. You’re going to love the room-filling sound that Mica-Reinforced drivers can deliver. You’ll experience deeper, more precise bass reproduction than ever before and be amazing as your music and movies come alive! Thanks for your purchase! -Sam Sony_US

  • Pros mentioned:
    Size, Sound quality

    Rated 5 out of 5 stars

    Great value and sound

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

    Excellent value and sized perfectly. I considered the klipsch woofer but too big for my space. Has great sound

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi Mike, You've made a fantastic choice! We're delighted to hear that you like the great sound, compact size, and excellent value of your Sony SACS9. Thanks for choosing Sony! -Sam Sony_US

  • Rated 5 out of 5 stars

    Great For The Price for Typical Use

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

    I think this is a great subwoofer for the price (when on sale) and so far I'm very pleased. I'm using this in a 16' X 24' basement theatre room and it has plenty of power. Very good low level response and volume for music and movies. I read a number of reviews before buying and saw some people complained about the power saving "auto-on" feature not working well, but I've not had any issues. Mine had an August 2021 build date on the box and it always "wakes-up" up reliably and quickly for me (within a second or two). I do run my AV receiver sub channel a bit "hot" (increase subwoofer channel output gain to +8 dB or so and turn down subwoofer's volume accordingly). I learned this trick from my older Yamaha sub that was sometimes reluctant to wake-up from sleep mode and that resolved it. This adjustment helps by sending a stronger continuous bass signal to the subwoofer, which zaps it awake quicker and keeps it awake during quite passages in the soundtrack.

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi TCMG,

      Wow! Thank you so much for taking the time to write such an in-depth review of your experience with the SA-CS9 115W 10” Active Subwoofer. We are extremely pleased it perfectly suits your needs and expectations. We are also delighted that you are satisfied with its incredible bass sound quality, discounted price, and great features like the auto power on/off function.

      You’re going to love the room-filling sound that Mica-Reinforced drivers can deliver. You’ll experience deeper, more precise bass reproduction than ever before and be amazed as your music and movies come alive!

      Thank you so much for purchasing our SA-CS9 and for choosing Sony!

      - Romeo Sony_US

  • Pros mentioned:
    Size, Sound quality

    Rated 5 out of 5 stars

    Loud and booming

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

    Perfect size, easy to hook up, high quality. Produce enough boom to rock the living room.

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

    Rated 5 out of 5 stars

    Great Sound

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great sound and very deep base. Easy to set up and goes well with both sound systems I have

    I would recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi PaulM, Thank you for the amazing review! We're so pleased to hear you like the great sound, deep bass, and ease of setup of your SACS9. Thanks for choosing Sony! -Sam Sony_US

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