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2-Year Home AV Protection Plan

from SquareTrade

  • Coverage for product breakdowns and malfunctions
  • 24/7 customer support
  • Free shipping on all repairs with no deductibles or hidden fees
  • Fully transferable with gifts. Cancel anytime, full refund in the first 30 days
  • If you purchase this service plan and eligible product for this service plan, you acknowledge that Amazon may send the service plan seller relevant product and price information for the purpose of administering the plan
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Yamaha YST-FSW150BL Advanced YST II Down-Firing Active Subwoofer

4.6 out of 5 stars 73 customer reviews
| 31 answered questions

Price: $214.74 & FREE Shipping. Details
Only 3 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
  • Rack Mountable Design
  • Advanced YST (Yamaha Active Servo Technology II)
  • Down-firing active design
  • High 130W dynamic power
  • Linear port for minimizing extraneous noise
  • This item is non returnable
9 new from $209.95 2 used from $180.70

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$214.74 & FREE Shipping. Details Only 3 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Yamaha YST-FSW150BL Advanced YST II Down-Firing Active Subwoofer
  • +
  • Mediabridge ULTRA Series Subwoofer Cable (8 Feet) - Dual Shielded with Gold Plated RCA to RCA Connectors - Black
Total price: $223.73
Buy the selected items together


Technical Details

  • Brand Name: Yamaha
  • Model Number: YST-FSW150BL
  • Color: Black
  • Speaker Type: Subwoofers
  • Item Display Depth: 13.75 inches
See more technical details

Product Description

Yamaha YST-FSW150BL Advanced YST II Down-Firing Active Subwoofer is a new shaped subwoofer with Yamaha's latest technologies, including Advanced YST II, Linear Port and down-firing Active design plus. The Rack Mountable Design matches the surround systems and micro component systems. This subwoofer both employs a high performance and down-firing active design. Even though compact, it delivers an impressive bass power and accurate sound reproduction. The down-firing design radiates the sound efficiently in all directions. The Linear Port provides smooth bass response and minimizes extraneous noise. It also serves to boost the sound output from this compact subwoofer. Capable of handling high dynamic power of 130W, this subwoofer ensures that you hear all bass sounds, even the loudest short bursts, with fast attack and total clarity.

Product Information

Product Dimensions 13.8 x 17.1 x 5.9 inches
Item Weight 30 pounds
Shipping Weight 24.1 pounds (View shipping rates and policies)
Manufacturer YAMAHA
ASIN B000V7H1FO
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Item model number YST-FSW150BL
Customer Reviews
4.6 out of 5 stars 73 customer reviews

4.6 out of 5 stars
Best Sellers Rank #20 in Electronics > Home Audio & Theater > Home Theater Systems > Speakers > Subwoofers
#1,382 in Electronics > Home Audio & Theater > Speakers
Date first available at Amazon.com August 8, 2007

Technical Specification

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Reviews

Top Customer Reviews

By Wayne Fogel on November 13, 2007
Verified Purchase
This subwoofer pairs perfectly with the Yamaha YSP-4000BL Digital Sound Projector to provide incredible sound for a home theater. The setup for the YSP-4000 will automatically do the crossover for the subwoofer. Using the enclosed Yamaha link cable, the subwoofer will automatically be turned on and off with the YSP-4000. I can and do strongly recommend this combination for a home theater that not only sounds great buts looks good as well.
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This little unit rocks. It is low profile, looks great, and fits into a narrow space. Don't plan on stacking components on top of it even though you may be tempted, as the rumbling of the bass can disrupt other components. You can also place this vertically. Like the other reviewer, it is perfect with the ysp-4000 as the sync cable turns it off and on with the main speaker. I think other yamaha components may have this also.
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Verified Purchase
Actually designed for my soundbar (YSP-4100), which is a wonderful unit, but is only rated down to 90hz (and that's probably at -10db). This little subwoofer is a perfect match; more of a woofer for my soundbar, which basically lacks one/them, but with some good subwoofer capabilities as well. Nice quality and solid build, just like most of Yamaha's products. I actually located it inside my audio console, behind a mesh door, on which the soundbar resides (surprisingly, that works extremely well). I retained my huge subwoofer for just the ultra LFEs (sub 30hz), but even with it turned off, the YST does a good job with movies all on its own. It's not going to rattle the windows; it's a 6" driver with a 100 watt ("max. output", i.e. more like a true 50 watt) amplifier. And it doesn't have a variable crossover, speaker inputs, or even stereo subwoofer inputs. With my YSP, that's perfect; don't need or want any of that (YSP handles the crossover, it contains all the speakers, and what's the point of stereo LFEs?). I like quality, realistic sounding, not boomy, over-driven bass. If you like the latter, this subwoofer probably won't measure up. So bottom line, with my system, this subwoofer is the perfect addition; in my opinion, the YST and YSP should be sold together. But if your system isn't similar to mine, you might look at Yamaha's other subwoofers.
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Verified Purchase
I have in-wall speakers in my bedroom. They sound great, but I wanted a bit more bottom end to music and movies. There is no way our "Aesthetics Committee Chairwoman" would want a large subwoofer clashing with the room. This slim sub fits nicely up against the small cabinet that houses the Dish receiver, audio receiver and Blu-ray player. It takes up very little space. I was pleasantly surprised at how much bass is added. I started with the sub volume 3/4 of the way up and now I am down to less than half sub volume. Movies, TV shows and music are all much more involving now.
The only negative is that there is no control to select the cutoff frequency of the sub so that it blends better with whatever speakers you are using. The volume control is pretty much it when it comes to adjusting and blending the sound. I had to deduct one star for that.
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Verified Purchase
Great little Subwoofer. My living room is 17' x 15'. This subwoofer is a definite improvement from our previous HTIB setup. The bass could be a little louder for my preference, but I knew this was a smaller subwoofer when I bought it. I plan on purchasing a second unit to place on the other side of the living room in a 5.2 configuration. This should give me the sound that I'm looking for.

Small profile. I stuck this bad boy under the couch so that there's no gaudy black box sitting out in the open. It's super fun to watch Jurassic Park on the couch now. :)
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By JB on February 18, 2013
Verified Purchase
I have had a sony 10in sub for about 12 yrs, it's held up awesome and does great....But we just moved in to a new home with custom built ins....of course the sub is too big to fit in the cabinet w/ other electronics and the wife will not allow an "ugly sub" to be visible in the room...hmmm...well, size wise I had the choice b/w Polk 8in sub vs this Yamaha 6.5in downfiring sub. Based on all reviews, each gets rated really well. What made up my mind was that this was shielded. Let me tell you, I would never have thought a 6.5 in speaker could produce bass like this does. By all technical aspects, it's not going to be as deep as a 10in sub but I gotta say it comes really close to performing as well as my 10 in sub does. I'm very amazed at what this sub can do. If you're looking for good bass in a really tight spot, you need to go ahead and get this!!
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By LE on November 1, 2011
Verified Purchase
This subwoofer is a good solution for having a SW in a tight place, or for aesthetic reasons. You don't have to deal with the big box. It works for normal hearing volume. I use it with stereo w/two bookshelf speakers. I didn't try it in a surround sound for TV setting.
Things I saw on other subwoofers that this doesn't have: frequency limit selection, phase inversion, auto shut-off. Despite this for what I use it, works fine.
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Verified Purchase
You don't have room for a large subwoofer
You would like more bass than your ceiling speakers provide
You want the subwoofer to match your AV components - it is the same width and will fit in AV cabinets
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