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  • Yamaha YST-SW45 8" Subwoofer
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Yamaha YST-SW45 8" Subwoofer

by Yamaha
4 customer reviews

Currently unavailable.
We don't know when or if this item will be back in stock.
  • 70-watt amplifier
  • 8-inch cone woofer
  • Variable crossover
  • Speaker- and line-level inputs
  • 2-year warranty
This item’s packaging will be visible when delivered and cannot be gift-wrapped.
Currently unavailable. We don't know when or if this item will be back in stock.

Technical Details

  • Brand Name: Yamaha
  • Model Number: YST-SW45
  • Speaker Amplification Type: Active
  • Speakers Maximum Output Power: 70 Watts
  • Manufacturer Warranty Description: 2 years parts and labor

Product Description

Product Description

Yamaha Powered Subwoofer Yst-sw45 70watts

Amazon.com

Add bass to your music and spice to your life with Yamaha's YST-SW45 active subwoofer, a compact and affordable way to increase your enjoyment of music, movies, and even computer audio.

With a 70-watt built-in amplifier, line-level inputs, high-quality five-way binding-post speaker inputs and outputs, plus an auto-on standby circuit, volume level, and adjustable crossover (see FAQ for more info), the YST-SW45 is about as flexible as they come. Setup was a snap--we were able to dial in just the right amount of bass and the correct crossover point within minutes. And its manageable size makes the YST-SW45 easy to place; you can tuck it into a corner, next to a sofa, or even under a desk.

Besides being flexible, the YST-SW45 is also a fine performer, thanks to Yamaha's long-throw 8-inch woofer and active-servo technology, which tracks the movement of the driver and matches it to the incoming signal, correcting any perceived errors (or distortion). In addition, the front-firing bass port effectively increases the speaker's sensitivity and bass output, delivering very good definition with a decent punch and a good sense of low-end body.

But we must take issue with Yamaha's frequency-response rating, which is inflated because the stated 30 to 200 Hz performance is measured at -10 dB, rather than the standard -3 dB. In other words, at 30 Hz (or cycles per second)--very deep bass indeed--the YST-SW45 does have measurable output, but it's 10 decibels below its average output at, say, 60 Hz. Our test tones indicate that the YST-SW45's -3 dB point is around 42 Hz, which is still quite good, but not subterranean.

Compact, flexible, and well made, with a more-than-respectable if not explosive bass output, Yamaha's YST-SW45 is a fine, small active subwoofer. Unless you have a huge room or love bass to rattle your cage, it will nicely fill out the sound of any compact speaker or home theater rig. --Wayne Garcia

Pros:

  • Compact and versatile
  • 5-way binding-post speaker terminals
  • 2-year warranty

Cons:

  • Bass not as deep or powerful as Yamaha's ratings suggest

Product Details

Product Manual [890kb PDF]
  • Product Dimensions: 11.8 x 10 x 13.8 inches ; 18.2 pounds
  • Shipping Weight: 21.9 pounds
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B00004Y5PA
  • Item model number: YST-SW45
  • Average Customer Review: 3.3 out of 5 stars  See all reviews (4 customer reviews)
  • Amazon Best Sellers Rank: #331,939 in Electronics (See Top 100 in Electronics)
  • Product Warranty: For warranty information about this product, please click here
  • Discontinued by manufacturer: Yes
  • Date first available at Amazon.com: September 4, 1999

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

8 of 8 people found the following review helpful By Amazon Customer on January 8, 2004
The most appealing aspects of this so-called subwoofer are price and size. It has a switchable auto on feature, a nice set of input options including 5-way binding posts, or RCA connectors. The subwoofer crossover and volume controls are conveniently mounted on the front of the subwoofer, and it's 8-inch front firing driver does a commendable job (given its size) at supplying some bass to a system consisting mostly of satellite-sized speakers. When placed in a corner and callibrated properly, this little subwoofer is capable of occassionally producing excellent bass sounds, especially with movies. However, this subwoofer distorts easily at moderate volumes, especially with movies containing extremely deep bass. The Yamaha's response time with music is also on the slow side. You won't be shaking your house too much with your favorite hip-hop albums on this subwoofer.
The Yamaha YST-SW45 is a decently priced subwoofer designed to be mated with incredibly small satellite speakers. If you really craving DEEP bass, you should look elsewhere. If you simply want a subwoofer for a small sized room for a small-sized home theater, then this is a very affordable solution. So affordable in fact, that you should take Yamaha's advice and get two of these subwoofers for the best possible imaging and sound-field dispersion.
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12 of 14 people found the following review helpful By Gen on May 9, 2002
Yes this is a low powered sub. No need to be a b---h about it, huh? Well, I have personally come to expect a lot from my Yamaha products. I bought this sub from Best Buy and was truly disppointed by its performance. I was all pumped up about the Active Servo Technology that is displayed so proudly on the front...I expected more control of the woofer during higher levels.
But this is just not the case.
In all reality, this sub is a waste of the technology...
It is known throughout the industry that low end drivers--woofers, if you will--from the size of ten inches down are the most accurate...atleast decently built ones...
So in reality the eight inch driver--unless Yamaha is admitting that it is a cheap driver--in this component is lacking power handling.
I feel as thoug this sub should only be used in rooms that are comparable to closets. My wife feels as though it is ok...well atleast she FELT that way until I went and bought the KLH 10" 120 Watt sub.
Now I know that these two products are incomparable, but, for the same price it is truly worth mentioning (you think???)
...
I gave it three stars because it is small. VERY small. And because I am a nice guy--I guess...:) ,,,and then there is always that chance that I bought a defective unit... :-)
So...
In closing, if you are looking for a good sub and have the money--don't buy this...hell...I can't see why anyone would buy this unless it is all that the WORLD has to offer...
Bad BAD Yamaha...
I'm gonna purchase the dual sub 200-Watt version some time this year...only because my KLHs (I have two now) are in storage (long story...they still work fine though)...and because I have heard this unit, and it is very impressive...
Happy searching!!!
Gen
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Way underpowered! I had a Polk sub before for just a $100 that rocked the house. I got this sub for free as a part of a speaker set. Kind of a let down
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By Robert Zuniga on July 7, 2014
This sub is all you need to fill up a room with bass you can hear and feel
perfect for Action movies
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