Yamaha YST SW012 8 Inch Active Subwoofer Reviews

Welcome to heolospeakers. Now you are reading Yamaha Yamaha YST SW012 review because you are looking for the best subwoofer for your car.

Well,  Let’s know first, what is a subwoofer?

A subwoofer is a loudspeaker unit which is designed to deliver immensely low audio frequencies known as bass sound. Car proprietor usually installs the subwoofer in their vehicle to improve car audio quality and the volume.

I think you know better what a subwoofer is, and why everybody installs subwoofer. Otherwise, you would not be here to find the best 8 inch subwoofer for your car.

But, when it comes to buying subwoofer, everybody wants to know

  • How is big subwoofer big enough?
  • How small is small enough?
  • What size is right for me?
  • Can 8-inch subwoofer revitalize my sound setup?

Honestly, it’s hard to answer how big is big enough or how small is small enough for getting the best sound from a subwoofer. Particularly, I can answer the later twos. First, the right subwoofers for you depend on your budget and where you want to install. Second, though 8-inch subwoofers are the smallest subwoofer in the market, they have the capability to revitalize your sound setup when they are perfectly seated.

If you have enough room to setup subwoofers and have enough budgets, large size subwoofers are the best option for you. When you want to revitalize your sound setup but you have a low or moderate budget and want to setup the subwoofer in tight locations under the seat, or behind truck bench seats, the 8 inch subwoofer is the best alternative for you.

As you are going through my words in spite of reading the title, I think you want to have the best 8 inch subwoofer for your car. If I am right, I can assure you that you are in the right place. If you want to revive your sound using best 8-inch car subwoofer, Yamaha YST-SW012 8-Inch Front-Firing Active Subwoofer is the best option.

Let’s dig deep to edify you why I have suggested you this one.

Yamaha YST SW012 Review – Pros, Cons and Verdict

Yamaha YST-SW012 is the Top Rated 8 inch subwoofer in the market. Yamaha used Advance Yamaha Active Servo Technology (AYATS II) in this subwoofer which is a unique system that used in modern subwoofers.

In AYAST system, the speaker and amplifier operate together to cancel out impedance and to ensure perfect linear motion of the speaker unit.

AYAST also facilitates to acquire the highest levels of sound pressure and overall performance. Linear port and the front facing design give the Yamaha Subwoofer YST-SW012 a stupendous combination of power, depth, and clarity.

Are you still perplex to have this one? Just be with me to explore more. 

Here are the main features of Yamaha model YST SW012 which made the subwoofer best.

8-inch Driver and 100-watt Amplifier
In YST-SW012 subwoofer the 100-watt amplifier provides sufficient power to deliver dynamic bass effects with minimal distortion, and the 8-inch cone driver decodes the power into clear bass sound.

AYAST II Technology
AYATS is a harmonizing amplifier system that utilizes negative impedance feedback in the amplifier and a Helmholtz resonator in the speaker for vigorous and accurate bass.

Magnetic Shielding
The subwoofer is magnetically shielded, that reduces the interference from video sources.  And the subwoofer can be placed near the television or the receiver without degrading the picture.

Advanced Volume Control
The volume control allows you adjust the volume harmonizing with rest of your sound system.

Linear Port
Linear port in YST-SW012 minimizes the extraneous noise and delivers smooth bass response during playback.

Frequency Response and Impedance
To deliver you authentic sound reproduction it has 28 – 200Hz frequency response. It also has 5 ohms impedance power that conducts power through the speakers.


  • Easy to setup.
  • Magnetically shielded subwoofers.
  • Excellent power output.
  • Easy to mount.
  • 8-inch multi-range driver.


  • It doesn’t have an adjustable crossover and is underpowered.
  • A bit big for only 100 watts.
  • It sounds like it is set at a 3db octave shelf.
  • The subwoofer should only go up to 110 Hz but not even that.
  • No peak or limiter to protect the subwoofer.

Yamaha YST SW012 Subwoofer is Best for….

  • Home theater
  • Small room or vehicles
  • Limited space installation

Frequently Asked Questions (FAQ)
Question-1: Does this subwoofer have a built-in amplifier?
Answer: You do not need a separate amp or a powered sub output, it is self-powered, and you just plug it into a wall socket.

Question-2: Does this subwoofer has a wire hook up or is it plugged in with a jack?
Answer: It comes with a cable that has RCA jacks on each end.

Question-3: I have a Yamaha ATS-1010 Sound Bar, will this subwoofer match with it?
Answer: Yes it will work. But, be aware that you cannot use both the subwoofer in the sound bar and the Yamaha subwoofer simultaneously.

Question-4: Does this subwoofer have auto power on/off tech? If not then how much idle power does it consume when you leave it on but aren’t playing anything?
Answer: It does not have an auto power on/off switch. I am not sure how much power it uses while idle. I don’t have a way to measure it, but I can say I have not noticed any difference in my electrical bill.

Question- 5: What is the depth of the subwoofer?
Answer: The box is 11 1/2 inches deep, but with the speaker grille on the front and the power-in jack and plug on the back, total depth is about 14 1/2 inches.

What’s Next?
Are you little bit nervous reading the Yamaha YST SW012 review’s cons parts? Don’t be. It’s natural. However, comparing with the budgets range it is the best 8 inch subwoofer.  Here, the AYAST II technology, magnetic shielding, linear port facility, and active frequency range give you the best music experience you are dreaming of.

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