Customers express satisfaction with the Core Series 10" 115W Active Subwoofer, particularly praising its great sound quality and powerful bass. The subwoofer's awesome price, ease of use, and small size are also appreciated. A minor concern is the cable length, with some customers wishing for a longer connection cable option.
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 4 Showing 61-80 of 2,770 reviews
Rated 5 out of 5 stars
Get the 10 inch, you won't be disappointed!
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Posted . Owned for 4 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
So awesome, this is exactly what my home theater needed. I placed it on a bookshelf, so had to use sound deading material from amazon to keep the bass from rattling it. I'm so glad I went with the 10", you wont be disappointed.
I would recommend this to a friend
Brand response from SonyListens
Posted .
Hi RipP,
Amazing! You've made a great choice! We are so happy to know your satisfaction with the incredible bass sound quality of the 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!
Thank you so much for purchasing our SA-CS9 and for choosing Sony!
- Romeo
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
Great Sound
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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.
Great sound makes my surround even greater Great Buy
I would recommend this to a friend
Brand response from SonyListens
Posted .
Hi MikeLowery, Good to hear that you like the sound quality this subwoofer produces! 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! - Zarah
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
Sony
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
More then I expecting. Excellent sound..!!!!!!!!!!!
I would recommend this to a friend
Brand response from SonyListens
Posted .
Hi Hermes, 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! Thank you for the 5-star rating! -Carl
Pros mentioned:
Bass
Rated 4 out of 5 stars
Good Sound
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have not used this subwoofer to its full potential but for the size of the room that I use it really fills the space with bass for all my media.
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 4 out of 5 stars
Great
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Love the sound this woofer delivers. I may add another just for music it does the job for movies.
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 2 out of 5 stars
Bad power saver design!
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Posted . Owned for 5 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
The subwoofer sounds great. The power saver feature is absolutely annoying!!!! The subwoofer turns on and off with a relay clicking noise through out a movie if the input doesn’t detect a strong bass signal after 3 minutes. It is constantly turning on and off between dialogue and action scenes. Talk CLICK action. My old sub used to do it after 30 minutes which was great. It only turned off after the movie. I just leave the sub on all the time now instead of on power saving mode. Which defeats the purpose. Bad design!! I would not purchase again.
No, I would not recommend this to a friend
Brand response from SonyListens
Posted .
Hi Pluc81,
We are sorry if the auto power-off function did not meet your expectations. As part of normal operation, if there is no signal input for a few minutes, the POWER indicator lights up in red and the subwoofer enters power-saving mode. To turn off this power-saving mode, slide the POWER SAVE switch on the rear panel to OFF.
Despite the issue, we are glad you like the amazing bass sound quality of this 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!
Should you need more assistance or information, please email the below information to [email protected] so we can better assist you.
Full Name: BestBuy Username: Telephone Number: Issue: Model Number:
Sincerely,
Romeo Sony Social Support
Rated 3 out of 5 stars
Underwhelming sound but not bad
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This subwoofer looks pretty good and sounds good for movies and music at low volumes. When you try to play music through it at loud volumes, the boomy bass sounds shallow and almost distorted. I would not pay full price for this. I got it on sale and because ir matches my other sony speakers but am looking at upgrading to something better.
No, I would not recommend this to a friend
Brand response from SonyListens
Posted .
Hi Luke,
Thank you for sharing your experience with the SA-CS9. While we are glad to know your satisfaction with the great bass sound quality of this subwoofer when playing movies and music at low volumes, we are really sorry if it didn't live up your expectations when playing music at loud volumes. This is certainly not the experience we were hoping you would have. The bass sound quality of this subwoofer usually differs from different sources. You may find different sources will perform better than others due to different types of audio compression and transmission. The following article may help you isolate this problem: https://www.sony.com/electronics/support/speakers-wired-speakers/sa-cs9/articles/00032183
If there's anything we can do to help or you need technical assistance on our product in the future, please email us at [email protected] with the following details so we can best assist you.
Name: BestBuy Username: Model Number: Issue: Telephone Number:
We value you, and thank you for your purchase.
Sincerely,
Romeo Sony Social Support
Rated 4 out of 5 stars
Sony - Core Series 10" 115W Active Subwoofer
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Posted . Owned for 1.5 years when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Sony - Core Series 10" 115W Active Subwoofer - Black works good so far...
I would recommend this to a friend
Brand response from SonyListens
Posted .
Hi Cally,
Thank you so much for the 4-stars review and for sharing your cool experience with 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 purchasing our SA-CS9 and for choosing Sony!
- Romeo
Rated 5 out of 5 stars
Excellent sound for the money
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this beauty because my polk didn't even worked, but this sub kicks pretty nice
I would recommend this to a friend
Rated 5 out of 5 stars
Its A Sony need I say More!
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Prefect for my Sound Bar and game room bring the music and Xbox alive...
I would recommend this to a friend
Rated 4 out of 5 stars
Good Subwoofer
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Good audio quality, but not very powerful. I had to buy two to get good power.
I would recommend this to a friend
Rated 5 out of 5 stars
Sub woofer
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I’ve already got it hooked up and it’s working, it’s another great day because Best Buy was there
I would recommend this to a friend
Pros mentioned:
Bass, Ease of use, Size
Rated 4 out of 5 stars
Good buy
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
After my 4-year old Polk subwoofer failed, I researched and got this one. I wanted a smallish sub to match well with my sound-bar for TV/games. The SA-CS9 is "retiring" in appearance. It produces respectable, adjustable bass for movies and music from its small size and power. It is deep and solid, but has too little power to cleanly drive really high volumes.
Installation is easy. A matter of cabling, for the SA-CS9 is not a wireless sub (but Best Buy does carry adaptors online). Has 5-foot power cable. A good array of fine-tuning controls match the sound level of the sub to your main speakers. The rotary volume and high-cut filter are on the back (unlike amps/receivers) yet virtually unmarked, so have to be learned "blind." Instructions for matching the filter to your main speaker size are the best I've ever used. Generally, sub volume should be set at the limit of audibility beneath your main speaker level (unless you crave sound effects). A phase switch helps with front- or back-of-the-room placements. The power-on light is usefully visible from above. After a month of use, I like the sound and ease of controlling my SA-CS9.
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
Completely unexpected..
Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
For $199, I wasn't expecting much and kept my receipt close by in case I didn't like it and wanted to return it. Well, that's not going to happen. I'm still in shock! This has got to be one of the best sounding subs I've heard yet, and I've heard and owned many. SVS, HSU etc. After a couple of hours of run/burn in, it just comes alive. Granted, this is definitely a sub where the saying "less is more" seems appropriate. Don't cram it in a corner and up against a wall. Keep the volume realistic and low as well as the crossover and you will be rewarded with tight, punchy, deep bass. Not boomy or sloppy and one-noted. This thing absolutely floors me. And to make matters even better, it's does an excellent job with both music and movies. You hear it when you're supposed too, not all of the time. Be patient and set it up properly and your jaw will drop to the floor..
I would recommend this to a friend
Pros mentioned:
Size
Rated 5 out of 5 stars
Perfect size for my living room
Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
It's a good sub. Not too big, so it fit between my end table and record cabinets. It has a power saver switch that turns off power when there is no bass content present. I like that because I don't want it fully powered 24 / 7. You can hear a relay click when it turns off, though. Sometimes it happens in a quiet portion of a movie, but it isn't really an issue to me. If it was, I'd turn the switch off.
I would recommend this to a friend
Brand response from SonyListens
Posted .
Hi JosephE, Thank you for sharing your positive experience with your Sony SACS9! We're glad you like the size, auto power feature, and overall performance of your Sony SACS9. Thanks for choosing Sony! -Sam
Pros mentioned:
Size, Sound quality
Rated 5 out of 5 stars
This subwoofer is awesome. Period.
Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I needed to add some BASS to my office sound system (which I often use to blast music to the rest of my house), and this bad boy is PERFECT for the job!! First of all, the thing is larger and heavier than I expected, which I love. Secondly, it sounds incredible, and has two knobs on the back of the unit - level & cut-off frequency - which as it turns out are both insanely useful; I like to adjust them based on what I'm I'm listening to at the time. And last, but certainly not least is how relatively affordable it is - I paid $160 for mine, and have experienced the exact opposite of buyer's remorse ever since. Highly recommend. God I love bass... PS, sorry about the low quality of my photos; they're mostly just to give you an idea of their relative size.
I would recommend this to a friend
Brand response from SonyListens
Posted .
Hi joemishkin,
Great! We're thrilled that you are enjoying the sound quality of the 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 choosing Sony!
-Ralph
Pros mentioned:
Bass
Rated 5 out of 5 stars
Well-Controlled Bass in a Compact Package
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This reviewer received promo considerations or sweepstakes entry for writing a review.
The Sony 10” Core Subwoofer is an absolute powerhouse for its size and price. It delivers deep, tight, and controlled bass that adds real weight and impact without sounding boomy or muddy. Explosions, low-end rumbles, and musical bass lines all hit with authority while staying clean and well-defined.
What impressed me most is how well it blends with the rest of the system. Instead of overpowering the room, it fills it. The bass feels natural and immersive, enhancing both movies and games without ever becoming distracting. Dialog and midrange stay clear while the low end provides that theater-like foundation you want.
Build quality is excellent, with a solid cabinet that feels sturdy and well-damped. Setup was quick and straightforward, and once dialed in, it performs far beyond what you’d expect from a 10” sub in this price range.
For anyone looking to upgrade their home theater or gaming setup without spending a fortune, the Sony 10” Core Subwoofer is an easy recommendation. It punches well above its weight and delivers exactly what a great subwoofer should: powerful, accurate bass that makes everything more exciting.
I would recommend this to a friend
Pros mentioned:
Bass, Ease of use, Price
Rated 5 out of 5 stars
Great value, 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.
Very punchy & resonant bass sound and an exceptional value for the price. Sounds just as good, if not better than subs twice the price. Exceptionally simple to set up and use. There are manual adjustment knobs on the back that should be set prior to use, otherwise you will be disappointed in the out of the box performance. The auto-power off feature is nice in principal, but I disabled it because the continual clicking on and off got to be a nuisance. Otherwise it sounds and performs great (paired with a Sony recevier).
I would recommend this to a friend
Brand response from SonyListens
Posted .
Hi Smitty,
Thank you so much for the 5 Star review! We're really happy to hear you're enjoying the great sound quality 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!
We will have your feedback noted as we always strive to make this a better experience.
Thanks for purchasing our SA-CS9 and for choosing Sony!
- Romeo
Pros mentioned:
Price, Sound quality
Rated 5 out of 5 stars
Nice sounding subwoofer with adjustable features!
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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.
Nice clean booming sound, no garble. Has both a manual power button to turn on or off and if you leave it on, this has an additional auto switch so it turns off & on automatically once it senses incoming sound. This is for energy savings. This is relatively small. One can also adjust the volume and frequency. Price is very reasonable, almost $50 off this black Friday week. I am happy with this subwoofer!
I would recommend this to a friend
Brand response from SonyListens
Posted .
Hi SiriusXM, Awesome! Thank you so much for sharing your exceptional experience with your SACS9 subwoofer! We're thrilled to hear that you're enjoying its clean, booming sound and the adjustable features. The manual power button and the auto switch for energy savings are indeed convenient, and we're glad you find the size and price reasonable, especially with the Black Friday discount. Your satisfaction with the volume and frequency adjustments is exactly what we aim for. Thank you for choosing Sony, and happy listening! - Romeo
Pros mentioned:
Size, Sound quality
Rated 5 out of 5 stars
Terrific Powerful Subwoofer
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I've tried few powered subwoofers but I ended up buying this Sony subwoofer. It's very powerful, too loud , very clear , looks better than other subwoofers and not too big which is good as it don't require lot space. I keep subwoofer at half volume as don't want my neighbors jump on me for boom boom of this subwoofer. Literally this subwoofer shakes my house even at half volume . My living room is abt 400 sq feet big but this subwoofer is more than enough powerful at half volume. And best part is not expansive but very affordable price $159