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  • 24/7 customer support
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Yamaha YST-FSW150BL Advanced YST II Down-Firing Active Subwoofer

by Yamaha
4.6 out of 5 stars 72 customer reviews
| 27 answered questions

List Price: $279.95
Price: $219.42 & FREE Shipping. Details
You Save: $60.53 (22%)
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In Stock.
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
7 new from $189.00 3 used from $159.95
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Special Shipping Information: This product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states.


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$219.42 & FREE Shipping. Details In Stock. 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: $228.41
Buy the selected items together


Product Specifications

Brand NameYamaha
Speaker TypeSubwoofers
Color NameBlack
Item Display Height5.94 inches
Depth13.75 inches
Driver Configuration1x 6.5" cone multirange driver
Frequency Response Curve30 Hz - 160 Hz
Speaker Driver Material TypePaper
Maximum Speaker Depth (inches)13.75 inches
RMS Power Range - Amplifiers130 watts

Technical Details

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

Manual [PDF]
  • Product Dimensions: 13.8 x 17.1 x 5.9 inches ; 0.3 ounces
  • Shipping Weight: 24.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B000V7H1FO
  • Item model number: YST-FSW150BL
  • Average Customer Review: 4.6 out of 5 stars 72 customer reviews
  • Amazon Best Sellers Rank:
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
  • Date first available at Amazon.com: August 8, 2007
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Customer Reviews

Top Customer Reviews

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 a yamaha reciever and bought this because the bookshelf bose weren't cutting it. This sub definately makes a difference. The only complaint I have is that the additional cable to signal power off does not work with my stereo. You'd think yamaha would be compatible with yamaha...not always true. Not a big deal, but keeps me from giving it 5 stars. I would not buy the lower wattage sub-woofer as I usually have this one maxed out. This could be due to the fact that it is on a shelf and not on the floor. Overall this sounds great and completely changes the way I listen to music and entertainment. I do not have surround, 2.1 only.
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Verified Purchase
This is the only component size bass speaker unit that would fit in my stereo cabinet. It sounds great and adds real dimension to my in-home pre-wired speaker system.
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Verified Purchase
Am not an "audio nut"....I just like good sound out of our system.... so pleae take these words with an appropriate "grain of salt". This Yamaha sub woofer was a snap even for a novice like me to install...and it just fit into the space alloted to it.
The sound it puts out is as promised...very nice bass ....
On the other hand, this unit would not win a "Miss AMerica" contest when it comes to looks and there are many more attractive sub woofers out there to choose from.
However, I didn't buy this one for it's sleek and suave appearance...just for the sound it puts out and the price point to achieve that sound. On that counts, this ugly duckling "quacks" just right.
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Verified Purchase
This sub is for smaller rooms. 14' x 14' maximum. Sold it to a friend and it works pretty good in his lower ceiling living room. For larger rooms with high ceilings go bigger.
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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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Yamaha YST-FSW150BL Advanced YST II Down-Firing Active Subwoofer
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Price: $219.42
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