- Advanced YST II (Yamaha Active Servo Technology II)
- Front-firing active subwoofer
- Linear Port for minimizing extraneous noise
- 8” cone driver with magnetic shielding
- High 100W dynamic power
- 28–200Hz low frequency response
Features
Advanced Active Servo Technology
Yamaha's Advanced Active Servo Technology is a complementary amplifier/speaker system utilizing negative impedance feedback in the amp and a Helmholtz resonator in the speaker to provide strong and accurate bass.
Features
Advanced Active Servo Technology
Yamaha's Advanced Active Servo Technology is a complementary amplifier/speaker system utilizing negative impedance feedback in the amp and a Helmholtz resonator in the speaker to provide strong and accurate bass.
8-inch Driver and 100 Watt Amplifier
High amplifier power assures enough power to deliver movie theater-like bass effects, and the 8-inch cone driver translates the power into clear bass sound. The YST-SW012 has a frequency range of 28 to 200 Hz.
Magnetic Shielding
The subwoofer is magnetically shielded so it can be placed near a TV monitor or receiver without degrading the picture.
Volume Control
The volume control permits the perfect matching of the sub's output to the overall volume of the system.
Linear Port
The Linear Port provides smooth bass response during playback and minimizing extraneous noise.
Technology
Advanced YST

Advanced Yamaha Active Servo Technology (Advanced YST) is a unique system in which the speaker and amplifier work together to cancel out impedance so the speaker unit has a perfectly linear motion. Advanced YST helps to ensure the highest levels of sound pressure and overall performance.
Audio & Video
Specs
Specifications
| Type | Advanced YST II and QD-Bass Subwoofer | |
|---|---|---|
| Driver | 8" cone driver with magnetic shielding | |
| Dynamic Power | 100 W | |
| Frequency Response | 28-200 Hz | |
| Advanced YST | Advanced YST II | |
| QD-Bass Technology | Front Firing | |
| Linear Port | Yes | |
| Dimensions (W x H x D) | 11-3/8" x 11-3/8" x 12-7/8" | |
| Weight | 18.74 lbs. | |
Optional Accessories
Support
Downloads
Contact
Online Help
Warranty
REVIEW SNAPSHOT®
by PowerReviews(based on 16 reviews)
100%
of respondents would recommend this to a friend.
Pros
- Easy to set up (15)
- Great sound quality (15)
- Good power output (13)
- Attractive (10)
- Easy to mount (3)
Cons
Best Uses
- Home theater (16)
- Basic systems (11)
- Smaller rooms / apartments (7)
- Home (6)
- Large rooms (4)
- Reviewer Profile:
- Movie enthusiast (11), Tech savvy (10), Practical (7), Audiophile (6)
- Was this a gift?:
- No (15)
Reviewed by 16 customers
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Displaying reviews 1-10
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Great little subwoofer
Pros
- Easy To Set Up
- Good Power Output
- Great Sound Quality
Cons
- Standby Power 4 Watts
Best Uses
- Basic Systems
- Home Theater
Comments about Yamaha yst-sw012_black__g:
Fits in the tight space I have available. Unobtrusive, blends in.
- Was this a gift?:
- No
Bottom Line Yes, I would recommend this to a friend
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Great
By armanbala
from Houston, TX
About Me Audiophile
Pros
- Attractive Design
- Easy to Mount
- Easy To Set Up
- Good Power Output
- Great Sound Quality
Cons
Best Uses
- Home
- Home Theater
Comments about Yamaha yst-sw012_black__g:
That is great product, you can hear great sound from your audio system with this sw.
- Was this a gift?:
- No
Bottom Line Yes, I would recommend this to a friend
Was this review helpful? Yes / No
- You may also flag this review
Like this subwoofer
By dana_sound
from Fullerton, CA
About Me Audiophile, Movie Enthusiast, Practical, Tech Savvy
Pros
- Easy To Set Up
- Good Power Output
- Great Sound Quality
Cons
Best Uses
- Basic Systems
- Home
- Home Theater
Comments about Yamaha yst-sw012_black__g:
I wanted a reasonably priced subwoofer for the living room of my apartment. I liked this one because of the smaller size. It is perfect for my apartment. Plenty of power. I had to turn it way down to keep from annoying neighbors. I would buy this again.
- Was this a gift?:
- No
Bottom Line Yes, I would recommend this to a friend
Was this review helpful? Yes / No
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Great unit for the money.
By Ed the RN
from Bronx, NY
About Me Like Action Movies, Like Pop Music, Like Some Rock, Practical
Pros
- Attractive Design
- Easy To Set Up
- Good Power Output
- Great Sound Quality
- Great With The Sound Bar
Cons
- NONE
Best Uses
- Basic Systems
- Home
- Home Theater
- Music Action Movies
- Smaller Rooms
Comments about Yamaha yst-sw012_black__g:
I have a small living room and this was perfect for the room size. 100 watts is more than ample here...haven't even cranked it up all the way (have next door neighbors and would like to keep my hearing intact). The sound is great.
- Was this a gift?:
- No
Bottom Line Yes, I would recommend this to a friend
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(1 of 1 customers found this review helpful)
Best Sound For The Money
By gssoto
from Austin, TX
About Me Audiophile, Movie Enthusiast, Pro Audio / DJ, Tech Savvy
Pros
- Attractive Design
- Easy To Set Up
- Good Power Output
- Great Sound Quality
Cons
Best Uses
- Basic Systems
- Home Theater
- Larger Rooms
- Smaller Rooms
Comments about Yamaha yst-sw012_black__g:
I looked around and tested a lot of subs and I landed on 2 of these for my 7.2 system run by my RX-V673 receiver. These 2 subs beat out a lot of subs costing three times what I paid for 2 of these. 1 sub would be great for smaller rooms and 2 is great for larger spaces. They are great in both music and home theater applications. A lot of reviews will knock on these subs for their basic setup, but if you pair it with a receiver that handles the frequency and phase controls, it makes sense why Yamaha kept it simple.
- Was this a gift?:
- No
Bottom Line Yes, I would recommend this to a friend
(1 of 1 customers found this review helpful)
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Great woofer with a great price!
By ifan119
from Los Angeles,CA
About Me Audiophile, Movie Enthusiast, Practical
Pros
- Attractive Design
- Easy To Set Up
- Great Sound Quality
Cons
Best Uses
- Basic Systems
- Home Theater
- Larger Rooms
Comments about Yamaha yst-sw012_black__g:
That's a great woofer with the price like this one! It has clear, solid bass, and you can totally feel the difference. I would recommend this product to everyone.
- Was this a gift?:
- No
Bottom Line Yes, I would recommend this to a friend
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Clear low sounds.
By JoeTKO
from N.Brunswick, NJ
About Me Movie Enthusiast
Pros
- Easy To Set Up
- Good Power Output
- Great Sound Quality
Cons
Best Uses
- Home Theater
Comments about Yamaha yst-sw012_black__g:
At first, I thought this wasn't too much money and any bass would be better than none. This subwoofer is worth way more than the listed MSRP! I heard sounds in my favorite movies being picked up by the subwoofer that I had no idea existed. I hope it lasts as long as my RX-V367.
- Was this a gift?:
- Yes
Bottom Line Yes, I would recommend this to a friend
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Unbelievable Sound for the Price
Pros
- Attractive Design
- Easy to Mount
- Easy To Set Up
- Good Power Output
- Great Sound Quality
Cons
Best Uses
- Basic Systems
- Home
- Home Theater
- Smaller Rooms
Comments about Yamaha yst-sw012_black__g:
I frankly did not believe that this subwoofer would put out bass all the way down to 28Hz... not for the price they were charging - I was wrong. This thing sounds like it's considerably bigger than it is. For a mere 8" servo-driven sub, it puts out tight, accurate and deep bass. More than sufficient for our small space.
- Was this a gift?:
- No
Bottom Line Yes, I would recommend this to a friend
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- You may also flag this review
Great subwoofer for the price.
By Bob
from San Diego
About Me Movie Enthusiast
Pros
- Attractive Design
- Good Power Output
Cons
- Adjusting Activation
- No Signal Sensing Circuit
Best Uses
- Basic Systems
- Home Theater
- Larger Rooms
- Smaller Rooms
Comments about Yamaha yst-sw012_black__g:
Overall, I like the unit. Used for home entertainment, primarily movies. Good bass output. It doesn't turn off automatically when receiver powers down (no signal sensing circuit). I'm still tuning the unit for when the bass kicks in. Sometimes when someone like a newscaster is talking, the bass kicks in intermittenly.
- Was this a gift?:
- No
Bottom Line Yes, I would recommend this to a friend
Was this review helpful? Yes / No
- You may also flag this review
piece of cake!
By Fish crazy
from Orange County, Ca.
About Me Movie Enthusiast, Technically Challenged
Pros
- Easy To Set Up
- Good Power Output
- Great Sound Quality
Cons
Best Uses
- Home Theater
Comments about Yamaha yst-sw012_black__g:
a no brainer purchase.....Yamaha quality at a good price.
- Was this a gift?:
- No
Bottom Line Yes, I would recommend this to a friend
Was this review helpful? Yes / No
- You may also flag this review
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