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Klipsch R-120SW Subwoofer, Black

Curated from 74 real Reddit conversations

Refreshed on: March 4, 2025

Klipsch R-120SW Subwoofer, Black

Brand: Klipsch

Price: $299

Snoop Score:

6.3

Sentiment

3.5

Popularity

4.8

Technical

8.1

Buy on Amazon for $299 See All Subwoofers Reviews

As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The Klipsch R-120SW Subwoofer, Black is a high-performance subwoofer engineered to deliver deep, impactful bass for your audio systems. It features a 12-inch spun-copper woofer and 400 watt peak output, designed to power home theaters and multimedia setups. Consumer sentiment is a mixed bag with plenty of punchy feedback. Many users rave, with one declaring, “Loud and pressurized bass for a pretty reasonable price,” while others gripe about persistent humming and questionable build quality. Some appreciate the value proposition, even suggesting multiple units for a room, whereas skeptics point to tonal inconsistencies that diminish the listening experience. The debate underscores a trade-off between cost and performance. Overall, the Klipsch R-120SW stands out in its category for powerful bass delivery and good value, though potential buyers should weigh its minor technical quirks against its impressive output. It is recommended for those who prioritize robust low-end performance in a budget-conscious package.

Not for you? Check out our other rated Subwoofers

For that price I’d take 4 and put one in each corner of my room !
Positive Feedback

My Klipsch subwoofer has a constant humming sound, even when no audio is playing.
Negative Feedback

6.3

Klipsch R-120SW Subwoofer, Black

Buy on Amazon for $299

Home Theater Systems

9 / 10

Studio Audio Production

6 / 10

Car Audio Enhancement

6 / 10

Gaming and Multimedia

8 / 10

See how this compares to all Subwoofers

What it does well!

Key strengths users can’t stop talking about.

Great value for the price

“For that price I’d take 4 and put one in each corner of my room !”➕

“Hell yeah. There are so many worse subs than that for $100.”➕

Successful dual subwoofer integration

“As long as the subwoofers are similar, I believe you should be good (as a general rule).”➕

Stamped basket design acceptable for price

“If they are going to cost cut somewhere, I’m fine with a stamped steel basket.”➕

Loud and pressurized bass output

“Loud and pressurized bass for a pretty reasonable price.”➕

“This is the best stuff I've ever owned or heard.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.

Humming noise issues

“My Klipsch subwoofer has a constant humming sound, even when no audio is playing.”➕

“I had to make a ground buss bar and case ground everything to get rid of what sounded to me like typical 60hz hum.”➕

“when you remove the solo RCA connection from the sub, does the hum go away?”➕

“If so buy a cheap subwoofer cable crom amazon. 10-15 dollars.”➕

Lower power output in wireless version

“Great deal! Confusingly, the R-120SWi is not simply a wireless version of the R-120SW.”➕

Stamped basket build quality is a downside

“Considering how much these subs cost I would expect them to have cast aluminum baskets on the woofers; those are clearly stamped baskets.”➕

Bass response issues with unusual tonal output

“The Klipsch was just a loud drolling tone and I now think it was skipping notes.”➕

“A flat response curve may help you avoid the very thing you disliked about your old sub: the 'missing notes.'”➕

“Just run a sine sweep with a mic and you'll see what you're hearing.”➕

Compare On All Talked About Dimensions

Product Name	Price	Score	See Details	Buy Now
Rockville Rock Shaker 10 Black	$144	8.6	Details	Buy
SVS SB-1000 Pro Sealed Subwoofer (Black Ash) by SVS	$599	7.4	Details	Buy
PreSonus Eris Sub 8BT	$199	6.6	Details	Buy
YAMAHA 8" 100W Powered Subwoofer - Black	$179	6.6	Details	Buy
MTX Terminator Dual 12-Inch Subwoofers with Loaded Enclosure	$179	6.5	Details	Buy
Klipsch R-120SW Subwoofer, Black	$299	6.3	Details	Buy
KICKER CompVR 10-Inch Subwoofer	$74	6.3	Details	Buy
Polk Audio PSW10 10-inch Powered Subwoofer	$249	4.6	Details	Buy
Klipsch R-100SW 10" Subwoofer	$179	4.5	Details	Buy
Monoprice 60-Watt Powered Subwoofer - Black	$101	4.0	Details	Buy
YAMAHA Audio 10" 100W Powered Subwoofer - Black	$199	3.7	Details	Buy
Seventour 10" Upgrade 800W Slim Under Seat Powered Car Subwoofer	$138	3.4	Details	Buy
BOSS Audio Systems CXX10 Chaos Exxtreme Series 10 Inch Car Subwoofer	$41	3.3	Details	Buy
BOSS Audio Systems BASS10 Amplified Car Subwoofer	$107	0.8	Details	Buy

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.

Promedia 2.1 output issue fix using capacitor replacement

“Any update on this? Mine just did the same thing...”➕

“The PDF is the key to this problem.”➕

“worked great but the capacitor is hard to install from the top side of the board.”➕

“Amazon'd the new capacitor, replaced C22, and everything is working fine!”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’

Advice on subwoofer pairing with Klipsch Heresy speakers

“I don't believe my set up is really bringing out the low end (bass) in the music.”➕

“I have two Klipsch RP 1600s I use with my heresys.”➕

“Great. Two different subwoofer gain settings for easy listening and a good beat down.”➕

“Before you spend money on a subwoofer you could try adjusting the location of your Heresy’s.”➕

Discussion on alternative Klipsch subwoofer models and availability

“They are BANGING!!!! I had to lower the gain big time!”➕

“only place u can find these is amazon.”➕

“That’s the physical limitations of the sub.”➕

“I think there will be zer ochance of any help/service/repair?”➕

Comparing Klipsch subwoofer models and pricing

“Subwoofer advice, get klipsch rp 1200sw or rp 1400sw ? Much of a difference to justify waiting on a deal for 1400sw?”➕

“I’m absolutely floored by the subs performance.”➕

“Yeah that’s the plan, I’ll wait till they are on sale for $700.”➕

“Me too, absolutely stunned. It’s also my first sub ever lol.”➕

Advice on audio setup optimization

“A center channel speaker will work wonders for clarity.”➕

“Every start is a good start. If your bass is a bit boomy, look at the crossover on your receiver, t”➕

“80% of a sub's performance is determined by placement.”➕

Mixed opinions on Klipsch subwoofer pricing and performance

“don’t pay more than 150 dollars for one.”➕

“She's a thumper... Wife hates it.. -Thank you for attending my TED Talk”➕

“The speedwoofer keeps up with the 18 that has 800 watts going into it.”➕

Connection configuration advice for Klipsch subwoofer

“the subwoofer would have a constant volume regardless of the speaker output volume.”➕

“If no, then you can connect the subwoofer to it using a 3.5 mm to RCAs cable.”➕

“Putting it on the “B” speakers is the same as putting it in parallel with the “A” speakers.”➕

Budget and pricing considerations affecting Klipsch sub choices

“The new RP series Klipsch subs are good, but the one you're looking at, not so much.”➕

“If you just want some bass and some boom get the Klipsch sub and call it a day.”➕

“It definitely won't be useless and you can always add another sub later.”➕

“I wouldn't go smaller than 12" for a "room filling" sub.”➕

Comparisons between Klipsch subwoofers and alternatives

“I'm extremely tempted to go with the Klipsch because of the name, as dumb as that sounds.”➕

“I want something quality that will last 20+ years.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.

Discussion on Klipsch speakers and audio setups

“Great speakers for the price.”➕

“One more thing, you should put the speakers in other surface different than the TT”➕

“I love them! I think you are going to love the speakers.”➕

“Is there a better value for bookshelf speakers in the US around that price?”➕

Wireless marketing strategy: adapter included instead of true wireless

“They just include a wireless adapter in the box. I think they just market it as being wireless at Costco because most people these days are more likely to purchase something if it’s wireless.”➕

Discussion on Klipsch subwoofer performance variability

“So it’s irresponsible to generalize about the brand as a whole.”➕

“It's just that they also make plenty of under performing subs.”➕