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Klipsch
In Home Subwoofers

Klipsch - Reference Series 12" 400W Powered Subwoofer - Black

Model: R-120SW
SKU: 11441830
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Specifications
  • RMS Power
    200 watts
    Woofer Size
    12 inches
  • Key Specs
    • RMS Power: 200 watts (The maximum amount of continuous power the device is able to handle.)
    • Woofer Size: 12 inches
  • General
    • Brand: Klipsch
    • Model Number: R-120SW
    • Product Name: Reference Series 12" 400W Powered Subwoofer
    • Color: Black
  • Audio
    • Minimum Frequency Response: 29 hertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The minimum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
    • Maximum Frequency Response: 120 hertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The maximum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
    • Amplifier Class: D (An amplifier's mode of operation, specifically the conditions in which its electrical current flows for the duration of an audio signal, determines its class. Each class has its strengths and weaknesses when it comes to power efficiency, levels of crossover distortion, and overall sound quality.)
    • Enclosure Type: Bass reflex
    • Speaker Type: Floorstanding
    • Subwoofer Type: Powered (Passive subwoofers require an external amplifier, such as the one driving the main speakers in the system, for power. Active subwoofers, on the other hand, have a designated amplifier (one that isn't shared with other speakers) for power as well as line-level crossover.)
    • Enclosed: true
  • Features
    • Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
    • Controls: Power on/off, Volume, Phase, Cut frequency
  • Connectivity
    • Network Connector(s): No network connectors
    • Subwoofer Connection Type: RCA
    • Wireless: false
  • Dimensions
    • Product Height: 16.5 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 14 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth: 19.2 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
    • Product Weight: 31.1 pounds (The out of box weight of the item.)
  • Material
    • Woofer Composition: Injection molded graphite (IMG)
  • Included
    • Remote Control Included: false
    • Cable(s) Included: None
  • Warranty
    • Warranty - Parts: 2 years
    • Warranty - Labor: 2 years
  • Other
    • UPC: 743878036213

Relish the immersive audio experience created by this Klipsch Reference II subwoofer. The spun-copper injection-molded-graphite subwoofer and built-in digital amplifier provide high-volume bass free of distortion, while its 29 to 120Hz frequency response lets you enjoy an extensive range of sound. The 12-inch height and brushed polymer-veneer finish on this 400W Klipsch Reference II subwoofer enhance the look of your entertainment setup.

Speaker Buying Guide

  • 12" active subwoofer: Delivers authoritative bass for high-impact home theater audio.
  • Integrated Class D amplifier: Supplies 200W RMS power for high volume levels and minimal distortion.
  • Volume control: Lets you match the subwoofer's output to the rest of your sound system.
  • Phase and frequency controls: Enable customizable setup.
  • MDF bass-reflex enclosure: Promotes optimal performance.
  • 29-120Hz frequency response: Delivers booming lows for an immersive soundscape.
Whats Included
  • Klipsch Reference Series 12" 400W Powered Subwoofer

Q: Is this subwoofer manufactured in China?

A: They are made in Indiana.

Q: Why is this sub advertised as 400watts but only powered for 200watts? Like it says 400watts I bought it and learn it can only produces 200watts? What can We do to get that 400watts?

A: Amplifier wattage ratings are typically expressed in RMS (continuous) and peak (momentary) nomenclature. In this case, the amplifier is capable of delivering 200 watts continuously and 400 watts for an instant, such as when program material requires a very high output level to be reached - think explosion or a super low frequency bass cello note.

Q: What is the difference between this sub and the r12sw?

A: THEY ARE THE SAME. They just made them look a whole lot better. Look at specs carefully and see for your self. Delivers 400W peak power (200W continuous) for robust audio. and has nothing to do with louder. They are both 116db

Q: What is the cable connection to a onkyo receiver? or what is the specific subwoofer connection needed?

A: Any type of RCA style subwoofer cable will work. Connect it from your receiver’s output to the LFE input on the subwoofer and you’re in business.

Q: can i convert this into wireless using klipsch WA transmitter?

A: The WA-2 transmitter is specifically set up for Klipsh subwoofers with a WA port. Unfortunately this particular model does not have one. I just checked. There are, however, a few products out there that are universal. Google wireless subwoofer kit and several options will pop up. The Dynasty ProAudio WSA-5TR 5.8G Wireless Audio Transmitter/Receiver Adaptor for Powered Subwoofer and Active Speakers appears to be a good altenative.

Q: How many ohms ? Would this would be compatible for my onkyo TX-NR656

A: Ohm rating doesn't matter since it has an internal amp and you hook it up by your AVR's subwoofer output. It will work fine.

Q: Im looking for a subwoofer to go along my Klipsch KH07 outdoor speakers. Will this subwoofer still deliver good bass outside?

A: I have the 12” front firing klipsch sub I use it on my outside deck it sounds great. The trick is to put the porthole about 4 inches away from a wall or a solid background the base reflects off that and it sounds great they do sound better inside the home but it definitely works on the deck

Q: I recently purchased a Yamaha - 400W 5.1-Ch. 4K HDR Compatible A/V Home Theater Receiver - Black. I want to buy a subwoofer for it and want to know what you guys recommend from the Kilpsch brand. Would this be a good choice ?

A: yes I would recommend this sub woofer great bass easy to hookup. I think I'm going to buy another one. Great bass even with the sound not all the way up

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Pros for Klipsch - Reference Series 12" 400W Powered Subwoofer - Black
Sound QualitySound Quality, Bass, Power, Ease of use, PriceSound Quality, Bass, Power, Setup Ease, SizeSound Quality, Bass, Ease of use, Power, Setup
Cons for Klipsch - Reference Series 12" 400W Powered Subwoofer - Black
There were no cons for this product—SizePriceSize

Specs

Reviews

Rating 4.8 out of 5 stars with 2016 reviews

5 star rating. 1,757 reviews4 star rating. 194 reviews3 star rating. 30 reviews2 star rating. 18 reviews1 star rating. 17 reviews
97% would recommend to a friend
Customers are sayingCustomers enjoy the excellent Sound Quality of the product. Many have noted that it completely transformed their stereo system.
This summary was generated by AI based on customer reviews.
  • Sound Quality (23)

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Great quality and price

    It's got very deep bass and has much more power than I needed for a tiny room so I have it turned down quite a bit and I'm very happy with the price for a high quality speaker.

    Posted by ThomasR

  • Rated 5 out of 5 stars

    Great for home theater or organ pedal notes

    I added this subwoofer to my Klipsch Reference Series R-820-F tower speakers. My Denon receiver lets me set the crossover frequency. I did this at 80 Hz. I matched this by setting the subwoofer's dial on the rear to 80 Hz. This is the setting for audiophiles who listen to classical music and want to hear the string bass, contrabassoon, and organ pedal notes. You will be surprised to learn that bass guitar does not appear at this frequency. The towers are perfectly capable of handling pop music without subwoofers. But I'm sure that some will want to set the crossover to 100 to 150 Hz to get a bass kick. Okay. Irritate your neighbors. But for most listeners, the Klipsch towers are adequate for pop music. However -- I recommend the subwoofer for home theater if you are watching Sicario or Saving Private Ryan. Summary: Subwoofer for home theater, classical music organ pedal, string bass, contrabassoon.

    This review is from Klipsch - Reference Series 12" 400W Powered Subwoofer - Black

    Posted by JerryC

  • Rated 5 out of 5 stars

    Did someone say more bass?!

    WOW!!! Lucky me, my wife bought this for my birthday and man now my house shakes with the amount of bass that this thing puts out! This was the year that I decided to replace all of the speakers in my surround sound system since most of them were about 20 years old. I replaced a Polk 12" sub for this one and man this sub is far superior than the Polk that I had. If you're looking for an awesome sub with some ground shaking bass then this is the sub for you!

    This review is from Klipsch - Reference Series 12" 400W Powered Subwoofer - Black

    Posted by LWDRUMZ

  • Rated 5 out of 5 stars

    Great sub(s)

    Bought 2x of these during black friday to replace a malfunctioning Infinity sub and also add more oof to the home theater. Not disappointing. These rumble the house. Tested with John Wick 4k bluray and an assortment of xbox one titles. I'm impressed. It feels as though you're in those moments. Such clarity in the bass (tuned on Pioneer Elite SC-LX701 receiver) and not flabby sounding. Very precise lows and distinct sounding bass all around. Would highly recommend this, or these if you plan a .2 setup.

    This review is from Klipsch - Reference Series 12" 400W Powered Subwoofer - Black

    Posted by sysTERROR

  • Rated 5 out of 5 stars

    Very happy

    This sub sounds amazing. It’s been so long since I’ve ha d a quality setup.

    Posted by Timothy

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