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Onkyo SKW204 Bass Reflex Powered Subwoofer (Black)

4.5 out of 5 stars 280 customer reviews
| 35 answered questions

List Price: $179.00
Price: $144.99 & FREE Shipping. Details
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Ships from and sold by Amazon.com. Gift-wrap available.
  • Measures 10-13/16 x 18-5/8 x 16-7/8 inches
  • Auto standby/on circuitry
  • Crossover control and a phase invert switch let you fine-tune the bass output
  • Powered subwoofer for your 5.1- or 7.1-channel surround sound system
  • 230 watts of power; 10-inch cone
4 new from $144.99 1 used from $130.00
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$144.99 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Onkyo SKW204 Bass Reflex Powered Subwoofer (Black)
  • +
  • Mediabridge ULTRA Series Subwoofer Cable (8 Feet) - Dual Shielded with Gold Plated RCA to RCA Connectors - Black
  • +
  • AmazonBasics 16-Gauge Speaker Wire - 100 Feet
Total price: $164.97
Buy the selected items together


Technical Details

  • Brand Name: Onkyo
  • Model Number: SKW204
  • Color: BLACK
  • Speaker Type: Subwoofers
  • Speaker Amplification Type: Active
See more technical details

Product Description

Product Description

Impress yourself with the earth-shakingly realistic bass pumped out by this 230W subwoofer. A lot is packed into LFEs (Low Frequency Emissions), which you can find in more and more movies and music these days. Rest assured, you won't miss a thing with the SKW-204. Features like crossover control and a phase invert switch let you fine-tune the bass output from this subwoofer to match the wide variety of speakers on the market.

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Impress yourself with the earth-shakingly realistic bass pumped out by this 230W subwoofer. A lot is packed into LFEs (Low Frequency Emissions), which you can find in more and more movies and music these days. Rest assured, you won't miss a thing with the SKW-204.

Onkyo SKW204 subwoofer

Features like crossover control and a phase invert switch let you fine-tune the bass output from this subwoofer to match the wide variety of speakers on the market.

Specifications

  • Type: Bass Reflex Powered
  • Woofer: 10-inch cone
  • Frequency response: 25 Hz-200 kHz
  • Sensitivity: 140 mV/20 k-ohms
  • Maximum power: 230 W
  • Dimensions: 10-13/16 x 18-5/8 x 16-7/8 inches
  • Weight: 26 pounds
Onkyo SKW204 rear panel controls
Rear panel controls (see larger image).

Product Information

Product Dimensions 16.9 x 10.8 x 18.6 inches
Item Weight 26 pounds
Shipping Weight 29.5 pounds (View shipping rates and policies)
Manufacturer ONKYO
ASIN B000HMLP5A
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Shipping Advisory This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
Item model number SKW204
Customer Reviews
4.5 out of 5 stars 280 customer reviews

4.5 out of 5 stars
Best Sellers Rank #28 in Electronics > Home Audio & Theater > Home Theater Systems > Speakers > Subwoofers
#1,613 in Electronics > Home Audio & Theater > Speakers
Date first available at Amazon.com October 2, 2001

Warranty & Support

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By lee on November 29, 2010
Verified Purchase
I purchased this sub knowing it probably wouldn't be great, but would probably get the job done. My fronts and rear speakers are 2 ways with 8-inch speakers which already put out ample bass, but I wanted something to round out the bottom end a little better. Music sounds good, but the LFEs during movies are quite weak.

My biggest annoyance with this sub is the auto-on function. There's no override on/off function. If I'm watching TV on a quiet evening, I rarely have the TV up enough for the sub to turn on. It turns on when it senses enough bass. That's the problem.

If you're watching something with no bass for awhile, the sub shuts off. I like to hear a constant range/timbre, even if there's only a little bass, so the sudden drop off in bass is quite annoying. For example, a male voice will sound normal, then when the sub shuts off I have a wtf moment because all the voices change timbre. Then, when there's enough noise to switch the sub back on, the timbre of everything changes back to normal. I would not buy this sub again for this reason.

**If you read the comments below, others have suggested turning up the receiver and turning down the volume on the sub itself. I have my ancient Onkyo DS575 set +15dB, which made the auto off less frequent. Quiet scenes will still shut off the sub.**
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The sub itself has a nice sound quality at low levels. When you try to really crank it up it is not as loud as I would have liked. A little distorton creeps in at high volume levels. As a compliment to a large system with a few woofers that dont play low frequencys very well it does an excellent job. But as a stand alone woofer I think some would be a bit dissapointed. The other complaint that I have is that the grill likes to really rattle and buzz around 120 hertz.I do like the volume control and the x-over controls. Set the x-over control at 100 Hertz or lower depending on what other speakers you are using with this unit, Keep the volume around half throttle and enjoy.
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Verified Purchase
Believe it or not, I had never owned a powered subwoofer until I purchased the "Onkyo SWK204" after researching what I might need to complete my sound system after adding a new Panasonic Plasma HDTV, a Sony Blu-Ray DVD, and a new Sony receiver. After a week of listening to the SW in my home, I am thrilled with the purchase.

The "Onkyo SWK204" Bass Reflex powered subwoofer has a built in 230 watt amp which is more than adequate for the home theatre system I have installed in my large living/family room. It is a 10" cone subwoofer that is attractive yet non intrusive in a basic black with silver cone and sturdy enough weighing in at 26 pounds.

I am NOT a techie so I will only say that with so many of the new movie sound tracks reflecting low frequency effect (LFE), I was astounded at the difference this SW made in my home entertainment enjoyment. It has a frequency response of 25 Hz to 150 Hz and a continuously variable crossover (50Hz-200Hz) controlled by a cross over frequency control along with the customary volume control and a lighted standy mode.

There are certainly better and more powerful subwoofers out there and you will, of course, pay for the advanced power or features. As a home audio/visual amateur, I found this unit to be an acceptable and efficacious choice based on performance and price.
10 Comments 52 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Just a a note about the Onkyo SKW-204: The factory has choosen the dubious "Dynamic" power rating. Using the old engineer's "rule of thumb:" 60% of input power for the true RMS output power, I would guess this is really about 80 watts RMS. But this is a good low powered sub for acoustical music. I have the Polk PSW10 in another room, which I also use for acoustical music and consider it a better $$ deal. Remembering that it takes 10 times the power to produce a doubling of sound pressure(10 decibles), I would consider the Polk too. Neither sub will give you an "F-18 Hornet 'Fly by' with the after burner on" in a large room, but it is still an XLNT low powered sub. ENJOY !!
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Verified Purchase
The picture simply doesnt do this justice .. Its huge .. Very attractive unit made solid and obviously built to last .. Comes with everything you need ... Love the controls on the back .. Xrossover around 120 lvl around 3/4 max and prepare to be thumped .. I read others saying this rattles at high lvls .. dont believe it The only rattling will be the knick knacks on the shelves and the walls lol ... This is an awesome unit ... Just remember its MUCH larger than the picture suggests
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Great sound and tight deep base. Only problem speaker is very sensitive to other electrical lines running near its lines and doesn't got to standby very fast . It hums for about 15 minutes.
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I bought this subwoofer in December of 2006 and tested it among 3 other brands. It was by far the best-performing of the 4 with very clean, tight bass, and a very smooth adjustment curve as I turned up the power. For the price, I think there is no better value out there right now. If I could change one thing, I would make the power control more accessible since it is behind my entertainment center and not easy to reach.
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Verified Purchase
I am a musician and really appreciate the bass capability of this speaker. It adds a lot to my studio sound system.
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