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KRK S10.4 10 inch Powered Studio Subwoofer

10" Powered Subwoofer with 10" Glass Aramid Composite Woofer, 60-90Hz Crossover Filter, Polarity Reverse, Ground Lift Switch, and Footswitch Jack
14 Write review Item ID: KRKS10.4
$479.00

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KRK S10.4 10 inch Powered Studio Subwoofer
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Big, Booming Bass for Any Studio Setup

KRK's S10.4 10-inch Powered Studio Subwoofer makes it easier than ever to incorporate a subwoofer into your studio setup. Its extensive I/O allows for XLR, 1/4-inch TRS, and RCA connections, with an optional footswitch jack for hands-free operation of bypass and crossover filter features. When it's time to fire up the S10.4, you'll experience an incredibly tight and punchy low end delivered through a single 10-inch glass aramid composite woofer and a front-firing bass port. Its Class D amplifier pumps out the clean and clear sound Sweetwater's discerning audiophiles constantly crave, with everything tucked neatly inside a low-profile cabinet that fits comfortably into any layout. Add the KRK S10.4 10-inch Powered Studio Subwoofer to your arsenal for big, booming bass you can rely on.

Bells and whistles for any situation

Not only does the S10.4 deliver rich, dynamic low end in any studio setup, but KRK also equipped it with a handy set of panel controls to fine-tune its sound to a variety of situations. An exceptionally powerful crossover filter tailors the S10.4 to whatever monitors you're currently using, with options for 60, 70, 80, and 90Hz operation. You also get toggles for input sensitivity, polarity reverse, stand-by, and a ground lift for removing unwanted noise, facilitating even deeper tone tweaking at the flick of a switch. Not to mention, the S10.4's footswitch jack is great for hands-free operation, allowing you to enable or disable the sub as well as the crossover filter (footswitch sold separately). All in all, the S10.4's extensive feature set makes it the perfect companion for whatever setup you're running.

KRK S10.4 10-inch Powered Studio Subwoofer Features:

  • High-powered studio subwoofer that complements any set of studio monitors
  • 10-inch glass aramid composite woofer handles high SPLs without distortion
  • Extensive I/O with XLR, TRS, and RCA options
  • Front-firing bass port and Class D amplifier
  • Low-profile cabinet fits comfortably into setups of all kinds
  • 60–90Hz selectable crossover filter customizes sub response
  • Sensitivity switch for use with pro or consumer audio equipment
  • Ground lift and polarity switch overcome setup issues
  • Footswitchable bypass (footswitch sold separately)
  • Frequency response: 30Hz–110Hz

Additional Media

Studio Monitor Buying Guide

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Tech Specs

  • Powered: Yes
  • Speaker Size: 10"
  • Driver Type: Glass Aramid Composite
  • Total Power : 160W Class D
  • Frequency Range: 27Hz-156Hz (-10dB)
  • Maximum Peak SPL: 117 dB SPL @ 1m
  • Input Types: 2 x XLR, 2 x 1/4", 1 x Dual RCA Stereo
  • Output Types: 2 x XLR, 2 x 1/4", 1 x Dual RCA Stereo
  • Other I/O: 1 x 1/4" (footswitch)
  • Enclosure Type: Front Ported
  • Enclosure Material: 15mm Reinforced MDF with Black Vinyl wrap
  • Height: 13.43"
  • Width: 18.87"
  • Depth: 12.18"
  • Weight: 35 lbs.
  • Manufacturer Part Number: S10.4-NA

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Customer Reviews

4.7 out of 5

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In love with this sub!

Best sub I've owned thus far. At this point I only buy KRK products. Several years back I had the JBL 10" down firing sub and it was pretty decent but I ended up selling it cuz I didn't care for it much anymore. This S10.4 however blows the JBL away! I only bought the JBL because I know it's a familiar name in home audio so I thought well if anyone knows how to make a quality subwoofer it's JBL, I was wrong, I guess studio speakers aren't their forte. KRK however slays the studio game. KRK just makes quality products at very affordable price. I could tell right away how good of quality this product was as soon as I unboxed it, nice looking and very heavy for how small it is. I actually own the previous version of this sub but the 12" model and that thing is a beast, so much so that it's actually too much for my application so getting the 10" was perfect. With just a little less power and smaller profile it's a much better fit for my room. Im running this sub with a pair of KRK Classic 7's, perfect set up. I know that typically you want the sub to sit right in the middle of your monitors for a balanced sound but I just hate having it under my desk where I like to have my feet so I have it a little off to the side but it's angled towards me and honestly it sounds great. I have decent, small to medium sized bedroom and this baby rattles the walls and my window, and I haven't even turned it up that much. I was test bumping it the day I got it and I thought I was pushing it pretty hard cuz it sounded very good and was making things shake but when I looked at the actually yellow cone expecting to see that it was moving a lot it was barely moving at all! This S10 has some serious power. Who knew 160 watts was so capable. I first I thought this S10 kinda looked like an oversized Rockit 8 laying on its side but I have Rockit 8's and this sub dwarfs them. Then I thought it looks more like the Rockit 10 but even the Rockit 10 looks a little wimpy compared to the S10. Beefier enclosure and beefier driver. I don't think there's any good replacement for a nice subwoofer.
by Joey from Sun City, AZ on
Music background: 10+ years audio/ music gear enthusiast

Best 10 inch for the price! Get this one.

Don't waste your money on the Adam, The Presonus, Yamaha or the JBL. A complete waste of time when comparing against this little sub. Either the people who are submitting reviews have no idea what they're talking about or they are fake news (get it). Manufactures are lying about the frequency responses of they're product. This little guy "beats for real" and she goes way lower than the others.
My main monitors are JBL 708 P's and I purchased them when they were $ bucks a piece, and this KRK is the only budget friendly sub that could hang with them and I've had them all! The 708 P's ate the Adam, Presonus,and the Lsr Jbl Sub's Alive. None of them could hang with them but the KRK stands it's ground. The controls are much better as well.
Good Job KRK…
by Sweetwater Customer from Atlanta on
Music background: Studio Owner, Producer, Engineer

S10.4 Studio Sub

Goes well with my Rocket 8's. Nice tight response allowing me to contour the bottom of my mixes. Very versatile settings as well.
by Sweetwater Customer on

Super slaps!!!

Best money I ever spent. KRK 4 life!
by Bobby Thornz from Merced, Cali on
Music background: Producer, artist, engineer.

Integrates well with Amphion One15 speaker pair!

I love my Amphion One15 speakers, which go down to about 49hz, but wanted to also be able to selectively hear that missing bottom octave to check certain bass heavy mixes. The KRK S10.4 subwoofer I purchased from Sweetwater does the trick VERY well.

Setting the built-in variable crossover on the KRK to 60 or a bit higher, adjusting the KRK volume control a bit, and using the KRK subwoofer in-or-out jack for instant comparisons, I CAN now add in the bottom octave--without seeming to compromise the stellar sound of the Amphion speakers.

Note that when you switch out the KRK using it's built-in jack, you then hear your primary speaker pair again without any loss of their bottom end--i.e. not only is the subwoofer turned off, but the sub crossover is no longer rolling off your primary speaker pair. Perfect. It's a match made in heaven!

I think the KRK 8" sub would have worked well too, but happy I went with the 10" as it should work great if I move up to one of the larger Amphion speakers.
by Scott L Daley from Sebastopol, CA on
Music background: Several decades of pro audio work including as a musician and live and recording engineer experience. I run a dedicated recording studio where I now mix mainly jazz, classical and light rock and folk, and choir work.
See also: subwoofers, KRK, KRK Studio Subwoofers
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