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Klipsch R-100SW

Powered subwoofer

Item # 714R100SW

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9 questions - 21 answers

Item # 714R100SW

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Since 1974

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About the Klipsch R-100SW

Kramer Crane

Add punch to music and movies

Klipsch's R-100SW powered subwoofer features a 10" spun-copper woofer that's powered by a 150-watt RMS amplifier. It might be the smallest sub in the company's 2018 Reference lineup, but it still delivers punchy bass down to 32 Hz — deep enough to add serious punch to movie soundtracks and TV show special effects.

Product highlights:

  • 10" front-firing IMG (Injection Molded Graphite) spun-copper woofer
  • 150-watt RMS amplifier (300 watts peak power)
  • frequency response: 32-120 Hz
  • rear-firing port for increased low-frequency performance
  • variable low-pass crossover
  • phase switch to fine-tune the subwoofer to your main speakers and room
  • line level/LFE (low frequency effects) input
  • auto power on/off
  • durable MDF cabinet with scratch-resistant textured wood grain vinyl finish
  • 12-9/16"W x 14-5/8"H x 18-1/16"D
  • weight: 24 lbs.
  • warranty: 5 years woofer, 2 years amplifier
  • MFR # 1065957

What's in the box:

  • Powered sub
  • Grille (installed)
  • 6.5' AC power cord
  • User Manual
  • Important Safety Instructions
  • Warranty Information

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5.0 out of 5 stars
163 reviews

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More details on the Klipsch R-100SW

Stacey B.

Features & specs

Enclosure Ported
Woofer Size (inches) 10
Woofer Composition Copper-spun IMG
Firing Direction Front
Amplifier Output (watts) 150
Frequency Response 32-120 Hz
Preamp-Level Inputs Stereo RCA/LFE
Speaker-Level Inputs No
Speaker-Level Outputs No
Wireless No
Low-Pass Crossover Freq 40-120Hz
High-Pass Crossover Freq N/A
Phase Switch Yes
App Control No
Remote No
Other Info
Height (inches) 14-5/8
Width (inches) 12-9/16
Depth (inches) 18-1/16
Weight 24 lbs
Speaker Parts Warranty 5 Years
Speaker Labor Warranty 5 Years
Amplifier Parts Warranty 2 Years
Amplifier Labor Warranty 2 Years
The Klipsch R-100SW replaces these items:

Product Research


10" Woofer: The Klipsch Reference series R-100SW powered sub is fitted with a powerful 10" copper-spun IMG (injected molded graphite) front-firing woofer for deep bass. The copper-spun IMG woofer is exceptionally light while being extremely rigid, providing remarkable low frequency response with minimal cone breakup and distortion. The front-firing woofer gives you greater placement flexibility than a down-firing woofer.

150 Watt Class D Amp: The Klipsch R-100SW powered sub employs an all-digital 150 watt RMS (300 watt Peak) amplifier for high efficiency and dynamic bass performance. The built-in, all-digital amplifier of the R-100SW subwoofer delivers ample power with high efficiency and true-to-source accuracy reproduction - thus providing maximum output, detail, and power that fills your home.

Rear Firing Port: The R-100SW's enclosure uses a bass reflex design with a rear-firing port for greater efficiency and bigger bass.

MDF Cabinet: The R-100SW is housed in a durable MDF cabinet and finished with a scratch resistant, textured wood-grain vinyl. Its reinforced MDF construction reduces cabinet vibration for less audible coloration and improved sonic accuracy - giving you the ultimate listening experience that's built to last. There are heavy-duty rubber feet on the bottom of the cabinet to help isolate the subwoofer from your floor. The included low-profile front grille adds a refined look and is acoustically transparent.

Controls: The level control, low pass crossover, and phase control allow you to blend the powered subwoofer's low-frequency tones with your system's other speakers, as well as establish the ideal level of bass.

  • Level Control: The level control adjusts the subwoofer's volume relative to the rest of your home audio system. After the sub's level control has been set, the volume control of your AV receiver will be the volume control for both the Klipsch powered subwoofer and your connected loudspeakers.
  • Low Pass Crossover: The variable low pass crossover is adjustable from 40-120Hz. The crossover point chosen determines where low bass frequencies are "handed-off" from your AV system's loudspeakers to the Klipsch powered subwoofer. Set the crossover point based on the size of your systems' main left/right speakers.
  • Phase Control: This control is used to acoustically match the subwoofer's output to your main speakers. Select the position either 0˚ or 180˚ in which your subwoofer has more output at the listening position.

LFE/RCA Inputs: The Klipsch R-100SW powered subwoofer is equipped with a pair of line-level RCA-type inputs to connect the sub to your AV receiver or integrated amplifier.

  • LFE Input: Most of today's AV receivers have a line-level subwoofer output (LFE). If your receiver has an LFE output, connect one end of a subwoofer cable (sold separately) to this output and connect the other end of the cable into the powered subwoofer's line-level input labeled "LEFT/LFE". Set the powered sub's built-in crossover to "LFE" with this type of connection.
  • Stereo Input: In absence of a subwoofer (LFE) output on your receiver, as an alternative hookup, you can connect Left & Right channel pre-amp outputs from the receiver to both the "Left/LFE" and "Right" inputs on the powered subwoofer.

LED Indicator: The front-mounted LED power indicator lets you know when the sub is powered on or off. The LED will light green when the powered subwoofer is on and receiving a signal. If the LED is dark and not lit, the powered sub is off.

Auto Power On/Off: The powered subwoofer will automatically turn On when it senses an audio signal. It will automatically go into "Standby mode" after 15-20 minutes with no audio signal. You can also choose to turn the powered sub On or Off manually from the rear-switch on the back.

Placement: Klipsch powered subwoofers are designed to reproduce deep bass and deliver the impact that makes your movies and music come alive. For optimum performance, place your subwoofer in a corner of the room on the same wall as your front channel speakers. Please note that room placement can have a dramatic effect on the performance of your powered subwoofer. Corner placement, as suggested above, will increase the amount of bass output, while placing the subwoofer along the middle of a wall, or out in the room will decrease the amount of bass output.

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Customer Q&A

9 questions already asked

Can i pair this with my klipsch r 51 pm ?
socrates  Mar 18, 2021
1 answer
Yes, I currently have that system setup, really adds more deep bass and you can adjust the bass level using the R51PM remoto control.
jorge l.  Mar 18, 2021
I'm looking at buying all Polk in wall/ceiling speakers but thinking about the Klipsch R100 SW sub...will there be any issues with this? Thanks
john  Mar 04, 2021
3 answers
It is ok to use a different brand subwoofer because there are no timbre matching (voice matching) concerns with bass audio.
jason  Mar 20, 2021 (Staff)
No works great, very powerful, the volume is barely turned on
terry  Mar 19, 2021
John, I would definitely recommend this sub. I have a complete Infinity Beta speaker setup, this sub was a replacement and an upgrade from the original. It does the job, buy it. Jim C
james  Mar 19, 2021
What is best kit to wirelessly connect my Klipsch R-100sw subwoofer to my receiver?
lee  Mar 02, 2021
1 answer
I think you'd be better off using a cable. I was able to find a 20' gold plated plugs for like $25
philip w  Apr 27, 2021
The rear of the speaker appears to have RCA ports. Does one of those ports also function as a dedicated LFE input from my receiver (AXR100)?
michael  Nov 29, 2020
2 answers
Yes the sub out from your receiver plugs into the line out on the back of the sub using a dedicated coax wire with RCA ends
bill  Nov 29, 2020
Yes ,it should be marked lfe (low frequency response) white one
elizabeth  Nov 29, 2020
i have 2 floor Bose and two book shelf will this Sub work with them?
colin  Nov 17, 2020
3 answers
its all depend on the receiver, this is a powered subwoofer and the volume setting is very important. For action movies is great.
javier  Nov 17, 2020
I think it will, as I have said in the past, I'm a guy that likes my speakers all the same manufacturer. But I love my Klipsch and I think it will preform excellent with your Bose...
kerry l.  Nov 17, 2020
would think it would work fine
dean  Nov 17, 2020
Would the R-100SW be an upgrade to my Polk PSW404 sub? I have Kiipsch R61ii's for my fronts and R51s as my rears.
kevin  Aug 19, 2020
1 answer
I'm not really sure, I'm not really a Polk guy. The only Polk's I have (and have had, so far) are my deck speakers. One thing I do believe, is that "like" speakers play well together. My towers are also Klipsch
kerry l.  Aug 19, 2020
Do R-100SW makes a good fit with the bookshell RP500M?
hector  May 22, 2020
5 answers
I really do not know the answer, it really works fine but I hace a Denon and all my other speakers are Infinity, sorry.
javier  Jun 04, 2020
Yes it sounds great with good lows
robert  Jun 03, 2020
Absolutely! I liked this sub so much I actually added an additional one to my system!
robbie  Jun 03, 2020
Yes it does I bought 2
james  Jun 03, 2020
Not sure i dont have the rp500m, but it is a good sub for any system
george r  Jun 03, 2020
What's the difference between the r100sw and the r10sw?
jon  Jan 31, 2019
3 answers
raymond  Jan 31, 2019
In terms of specs, they are the same, at least on paper. In terms of looks, R10SW matches the older series such as the R-15PM series while R100SW matches the newer range such as the R-51PM series. Super confusing. I have both subs and I prefer the R100SW because the power cable is detachable.
edwin  Jan 31, 2019
A couple bucks. Thats it. Go with the r100sw
jason  Jan 31, 2019
How do connect the powered subwoofer to R-15pm shelf speakers. One has a mono output and the other a pair of RCA input?
wayne  Sep 29, 2018
2 answers
lug the SUB OUT of the speaker to the LFE input of the subwoofer. On the subwoofer, turn the Mode switch to ON, not. Auto. That way, it won't require an input signal of a certain level to turn the subwoofer on. The subwoofer should then go Green by default. See if that works.
benjamin  Aug 08, 2019
With a single subwoofer cable.
lon  Sep 29, 2018

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Looking for more?

Check out the next model in this lineup.

Klipsch Reference R-120SW
Powered subwoofer

$599.00 -$300.00 Special purchase

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Enjoy deeper bass and increased amplification

The Klipsch Reference R-120SW offers these features:
  • 12" copper-spun woofer
  • 200-watt RMS amplifier
  • frequency response: 29-120 Hz
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