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vid1900 16.5K Views
Jul 3, 2026 2:03 AM

15" Monoprice SW-15 600W RMS (800W Peak) Powered Subwoofer

$250

$500

50% off
+ Free S&Hat Monoprice
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Monoprice has 15" Monoprice SW-15 600W RMS (800W Peak) Powered Subwoofer (41499) on sale for $499.99 - 50% with promo code SHOP50 in cart = $249.99. Shipping is free.

Thanks to Community Member vid1900 for sharing this deal.

Details:
  • 15" front-firing powered subwoofer
  • 600W RMS (800W peak) amplifier
  • Ported design with down-firing port
  • 30-150 Hz frequency response
  • Variable phase control
  • Variable low pass filter
  • Dimensions: 18.1" x 21.0" x 22.7" (460 x 533 x 577 mm)
  • Weight: 66.1 lbs. (30.0 kg)

Editor's Notes

Written by SaltyOne | Staff
  • Rated 4.6 out of 5 stars from customer reviews.
  • At the time of this posting, our research indicates that this is $150 lower than the next best comparable online prices starting from $399.99.

Original Post

Written by vid1900
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Monoprice has 15" Monoprice SW-15 600W RMS (800W Peak) Powered Subwoofer (41499) on sale for $499.99 - 50% with promo code SHOP50 in cart = $249.99. Shipping is free.

Thanks to Community Member vid1900 for sharing this deal.

Details:
  • 15" front-firing powered subwoofer
  • 600W RMS (800W peak) amplifier
  • Ported design with down-firing port
  • 30-150 Hz frequency response
  • Variable phase control
  • Variable low pass filter
  • Dimensions: 18.1" x 21.0" x 22.7" (460 x 533 x 577 mm)
  • Weight: 66.1 lbs. (30.0 kg)

Editor's Notes

Written by SaltyOne | Staff
  • Rated 4.6 out of 5 stars from customer reviews.
  • At the time of this posting, our research indicates that this is $150 lower than the next best comparable online prices starting from $399.99.

Original Post

Written by vid1900

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Top Comments

Community Reviews

The SW-15 is a big, budget home theater sub that is praised for strong output and surprisingly deep bass for the money. Audioholics measurements are cited as showing about 117.5 dB at 63 Hz, around 107 dB at 30 Hz, and roughly 98 dB at 20 Hz, with reports that it can pressurize a medium living room and work well for music and movies. The main cautions are reliability and support, with amp failures and dead units reported around the one to two year mark, and some pointing to better warranty or service from RSL and Dayton alternatives.

Common Questions (5)

  • At $250, the SW-15 is described as a lot of SPL for the money and a strong entry-level option. The RSL Speedwoofer 10E/10S is repeatedly framed as the better-built alternative with stronger warranty/support, but it costs more, around $315 for the 10E or about $399 for the 10S sale target.

  • It can play both music and movies, and several comments say it has enough output to work well in either role at this price. For best music results, the thread emphasizes room correction, PEQ/DSP, and proper crossover setup; without that, bass integration can suffer.

  • There are reports of plate-amp failures after about one to two years, including units dying just after the one-year warranty. One comment also notes Monoprice may require returning the whole sub for amp issues, unlike some specialist brands that ship replacement amps.

  • The published 30-150 Hz (-10 dB) spec is disputed by measurements cited in the thread. Audioholics CEA-2010 results are referenced as showing about 107 dB at 30 Hz and 98 dB at 20 Hz, with one comment claiming the SW-15 measures down to roughly 15 Hz.

  • Yes. The SW-15 has high-level inputs, and one comment specifically recommends it as a decent upgrade for a soundbar setup using a "sub mod."

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72 Comments

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Jul 6, 2026 12:19 AM
1.3K Comments
Joined Feb 2010
ROOSKIEJul 6, 2026 12:19 AM
1.3K Comments
Quote from TNFergus View quoted comment :
Take your pick. Neither are known for being great with music.... but both will play music. A good sub for music is hard to find in this budget $300 range.
Completely disagree with you. These are both great for music with the caveat that like all subs you will need to use skill and dsp/peq and good quality measurements taking in your room to get the best in room response and blending with your mains (and to tailor to taste and playback spl level. Bass needs different tuning or dynamic eq/loudness control for different volumes)
I always recommend 2+ subs in 2+ locations in your room to help even out room modes and sbir issues.
Jul 6, 2026 12:29 AM
164 Comments
Joined Jul 2020
BlueMallard431Jul 6, 2026 12:29 AM
164 Comments
Quote from ROOSKIE View quoted comment :
REW=Room Eq Wizard, it is measurement software.
Thank you.
Jul 6, 2026 2:18 AM
3.5K Comments
Joined Jul 2017
fintlewoodlewixJul 6, 2026 2:18 AM
3.5K Comments
Quote from Zorba1446 View quoted comment :
Now you're quoting yourself and arguing with yourself??? 😳
You didn't read the full thread.
Jul 6, 2026 1:34 PM
1.4K Comments
Joined Nov 2009
TNFergusJul 6, 2026 1:34 PM
1.4K Comments
Quote from dflock View quoted comment :
Speedwoofer 10e Lol. If its really linear for music, it can't be meant for it? Because it also good for home theater? I know its not $250 but can be had at $299ish or blemish for less with a better warranty and build quality. It's been reviewed by many, just seconds on Google will confirm its musicality. I won't argue to it being an end all of subs and the Monoprice in this thread is still a lot of SPL for the $ and a great value also.
A Volkswagen Beetle could be "meant" for racing, and it's not going to "beat SVS in raw performance" either.

I don't need to Google for reviews. I've reviewed them, myself.
1
Jul 6, 2026 1:46 PM
1.4K Comments
Joined Nov 2009
TNFergusJul 6, 2026 1:46 PM
1.4K Comments
Quote from ROOSKIE View quoted comment :
Completely disagree with you. These are both great for music with the caveat that like all subs you will need to use skill and dsp/peq and good quality measurements taking in your room to get the best in room response and blending with your mains (and to tailor to taste and playback spl level. Bass needs different tuning or dynamic eq/loudness control for different volumes)I always recommend 2+ subs in 2+ locations in your room to help even out room modes and sbir issues.
That's fine. We all disagree with each other. I simply responded to the guy asking which one is better for music, saying he can basically flip a coin.

I've reviewed, read reviews, read lists, etc... and no "Best Subwoofer for Music" list I've ever seen had the Monoprice SW15 or RSL 10e on it.
Thus, me saying "neither is known for being great for music", which is the case.
1
Jul 6, 2026 6:32 PM
1.3K Comments
Joined Feb 2010
ROOSKIEJul 6, 2026 6:32 PM
1.3K Comments
Quote from TNFergus View quoted comment :
That's fine. We all disagree with each other. I simply responded to the guy asking which one is better for music, saying he can basically flip a coin.

I've reviewed, read reviews, read lists, etc... and no "Best Subwoofer for Music" list I've ever seen had the Monoprice SW15 or RSL 10e on it.
Thus, me saying "neither is known for being great for music", which is the case.
Well, that may be do note almost all reviews and lists are paid or sponsored BS. That has been the case for many years.
Also many reviewers are clueless about the products and the engineering behind them.
There are some quality independent reviewers out there.
Start with Erins Audio, Wirecutter, Audioholics and ASR
If you like lists, here is a 'list' from Wirecutter. This list includes the 10e
Brent Butterworth has been independently review products for decades. He understands the engineering and testing principles that are involved in audio design.
The caveat is they only review products in the fairly affordable range (the Wirecutter audience is not typically folks who drop a months salary on audio) but he has plenty of experience with all price ranges.
https://www.nytimes.com/wirecutte...bled=false

https://www.nytimes.com/wirecutte...ubwoofers/

I've designed many speakers and subwoofers and car audio systems. Bass reproduction is not what you are likely thinking it is. You don't need a special sub for 'music'. All good well engineered subs will sound incredible with music. Home theater is much harder because a typical enthusiast will want 20hrz room shaking bass and very very loud output in 50-100hrz range for explosions, gunshots, crashes and other effects.

For any enthusiasts, I very much recommend multiple subs. I'd much rather have 3 (or even just 2) $300 RSL Speedwoofers vs a single unit of any sub that is $1k. Place them in multiple locations in your room to even out the bass, use PEQ and DSP as well. If you are not then your sub does not sound good. Think it does? Try those things, get them right (which is complex and hard to do well the 1st time, play around) and go back to what you had. It won't even be close.
Also bass must be tuned different at different SPL levels vs the mids. (thus dynamic bass). That is because as the volume gets turned up after about 70db we hear bass doubling in perceived volume every 5db in increase but for the mids it take 10db to perceive the same doubling in loudness. Below 70db we can hardly hear below 40hrz and it gets lost, and yes it sort of just become audible around then.
Last edited by ROOSKIE July 6, 2026 at 11:39 AM.
1
Original Poster
Pro
Jul 6, 2026 7:35 PM
3.5K Comments
Joined Sep 2016
vid1900
Original Poster
Pro
Jul 6, 2026 7:35 PM
3.5K Comments
You guys are just arguing about arguing now.

Will the sw15 blast on music? Yes

Will the sw15 slam in movies? Yes

Can any sub under $300 move more air? No


That's it.

Of course you can buy more subs, of course you can spend more money on someone's favorite brand, of course you might find a pair or cerwin-vega 1515s at a garage sale - but nothing is going to beat this sub at $250
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Jul 6, 2026 9:04 PM
1.4K Comments
Joined Nov 2009
TNFergusJul 6, 2026 9:04 PM
1.4K Comments
Quote from ROOSKIE View quoted comment :

If you like lists, here is a 'list' from Wirecutter. This list includes the 10e

https://www.nytimes.com/wirecutte...bled=false

https://www.nytimes.com/wirecutte...ubwoofers/
No it doesn't. But it does recommend another budget sub, the SB-1000 Pro.

As do I.
Last edited by TNFergus July 6, 2026 at 02:12 PM.
1
Jul 9, 2026 7:49 PM
2.9K Comments
Joined May 2015
justyeJul 9, 2026 7:49 PM
2.9K Comments
Quote from CSOCSO View quoted comment :
Not sure why the website shows freq. response as 30hz to 150hz (-10db) That's crazy talk! The 12 inch measured down to 20 hz and this one measures down to 15 Hz! It's a super deal!!
I'm dumb. So you're saying this is good for movies?

edit: Looks like a great value sub, but there are so many complaints from many owners who have had the amp in it fail near 6 month mark. It seems like a big risk.
Last edited by justye July 9, 2026 at 01:14 PM.
1
Pro
Jul 9, 2026 8:28 PM
1.6K Comments
Joined Sep 2018
Zorba1446
Pro
Jul 9, 2026 8:28 PM
1.6K Comments
Quote from justye View quoted comment :
I'm dumb. So you're saying this is good for movies?

edit: Looks like a great value sub, but there are so many complaints from many owners who have had the amp in it fail near 6 month mark. It seems like a big risk.
Good point. Monoprice being a huge company that sells a vast variety of things, cannot match the personal service-after-the-sale of small subwoofer specialist companies like Hsu, RSL, PSA, and (not so small) SVS (they roll their excellent service into their pricing, unfortunately).

Some folks who had amp issues with Monoprice's higher level "Monolith" subs have reported being asked to ship back the entire sub as opposed to having the company send them a replacement amplifier with installation instructions which is what the small companies usually do.
Original Poster
Pro
Jul 9, 2026 9:06 PM
3.5K Comments
Joined Sep 2016
vid1900
Original Poster
Pro
Jul 9, 2026 9:06 PM
3.5K Comments
The 'shipping the whole sub back' ended a few years ago once MP got enough spare parts back in stock from the factory.
1
Jul 12, 2026 11:31 PM
25 Comments
Joined Nov 2025
ScarletDeer6728Jul 12, 2026 11:31 PM
25 Comments
For the $$, compare this to the new Dayton 12" CS1200, and I'd say they are close. IMO the Dayton might have better warranty and support but I believe Mono sw15 has been actually tested to perform much better than 30hz. (Audioholics or Erin's audio, forget which). But there is a great tear down video of the cs1200 where he actually tests the amps output and it shows it's legit 200w. That said, for $250, either way should work for an entry level budget sub. I'm kinda leaning towards the sw-15 being that it is 15" and supposedly has 600w and it's half off.

However, I agree with others, save up for a week or two and just get an RSL 10S when it goes on sale for $399 or less.

Ps. This would be a decent sub to add to a soundbar system doing the "sub mod" since it has high level inputs.

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