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KRK K10S Active Subwoofer

Extend your low end with KRK's affordable-yet-professional subwoofer, which features a 150-watt amp and active crossovers for smooth, accurate reproduction. (50) Read 13 reviews for this product | Rate and review this product
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Most home studios start out as smallish, square-ish rooms -- not the ideal setting for an accurate listening environment. Corner bass traps and absorbent wall panels can help eliminate muddy low-frequency buildup. But even when room acoustics are under control, your mixes could be turning out more bass-heavy than you realize -- if you're mixing without a subwoofer. So the next logical step is to add precise, tight bass to your setup, with a dedicated sub. The KRK 10S subwoofer is the perfect match for KRK's hugely popular Rokit and VXT monitor series, and with a sweepable crossover set anywhere from 50 to 130 Hz, the 10S adds flexible, accurate low-frequency extension to any stereo or surround system.

Unmistakable KRK Design

KRK is a "do one thing, do it well" kind of company, which is why their studio monitor speakers have become ubiquitous in home project studios and professional setups alike. If you've been in your share of studios, you're likely to recognize the KRK 10S sub's trademark yellow glass aramid composite woofer cone, mounted discreetly behind its removable black grill. Like KRK's full-range Rokit and VXT monitors, the 10S also has a sleek curved baffle and front-firing port shaped to reduce turbulence. But unlike most studio monitors, the 10S is voiced to produce accurate, clear bass down to a deep 34 Hz.

Simple Steps To a Stereo Setup

If you're adding a sub to your stereo monitors, setup couldn't be simpler: run a pair of cables (XLR, 1/4-inch, or RCA) from the stereo outs of your console or audio interface, to the stereo inputs on the KRK 10S. Next, run another pair of cables from the 10S's XLR or RCA outputs to the line-level ins on your stereo monitors. You'll want to try moving your subwoofer around the room to find the right spot, and use pink noise and test tones from KRK's website to make sure your levels are properly matched -- and if they're not, adjust the sub's -30 to +6 dB volume knob. Set the sub's low-pass filter to 130 Hz, its highest setting, and flip its phase inversion switch to the position loudest in your room. Then set the sweepable low-pass filter to 80 Hz -- the 10S' built-in crossover will send everything higher than 80 through its outputs to your main stereo speakers. And that's it: you've got a properly calibrated subwoofer holding down the low end on your mixes.

Bypass Footswitch: Hear The Difference

You'll hear the difference your subwoofer makes in your system immediately -- but KRK also makes it even easier to "A/B" your system. The Bypass feature lets you send the full-range stereo signal to your main monitors, bypassing the sub entirely, with no plugging or unplugging of cables. Just plug in a standard 1/4-inch latching footswitch like the Boss FS-5L to the back panel and "click" it to toggle Bypass.

Sweepable Low-Pass for Surround Monitoring

Accurate sub-bass monitoring is key for mix-to-picture applications. It's an obvious must if you're building a real 5.1 surround setup. And when you're doing audio post on a stereo system, a KRK 10S sub can help you zero in on undesirable noise like air-conditioner rumble and pops on voiceover tracks, as well as set precise levels on low-frequency effects. After all, if you're mixing a soundtrack that will be reproduced on theater systems with sub-bass capabilities, you need to have those frequencies represented in your studio. Luckily, setting up your 10S for 5.1 mixing is easy, with a low-pass filter sweepable from 50 to 130 Hz. You can set the low-pass frequency depending on the size of your left, right, center, and surround speakers, and what your bass-management hardware or software requires.

Send In The Sub!

Small stereo monitors such as KRK's Rokit RP5 have become increasingly popular in budget-minded home studios -- and compromised low-end is unavoidable when you're using small speakers. Do the math: for every octave lower, a speaker needs to push 4 times as much air to maintain the same volume. Fortunately, the KRK 10S saves the day with a beefy 150 watts of power and a 10-inch high-excursion speaker cone -- more than enough to shore up your low end. The 10S is one of the most affordable-yet-professional subwoofers on the market -- and the ideal solution for a small studio that needs serious bass.

Features:

- 150-watt built-in amplifier
- 10-inch glass aramid composite woofer
- XLR, 1/4-inch, and RCA stereo inputs
- XLR and RCA stereo outputs
- Bypass switch input to send full-range signal to the stereo outputs
- 50 to 130 Hz variable low-pass filter
- Ground lift switch
- Adjustable volume from -30 to +6 dB

zZounds is an authorized dealer of KRK products.
Dimensions and Weight in Packaging
Shipping Weight: 46 lbs
Shipping Dimensions: 20 x 19 x 18 in
KRK Warranty ´╗┐KRK products are warrantied for a period of one year for mechanical defects and three years for defects in amplification.
If you have additional warranty questions, please contact the manufacturer at 1-800-444-2766

Product Description

The KRK K10S powered subwoofer is designed to extend the low frequency portion so your mix can be properly engineered. The K10S cabinet has radically curved surfaces for a great look and amazing performance. The front-firing bass port and KRK's trademark yellow glass-aramid composite woofer ensure accurate and powerful low-end punch. A sturdy grill which is removable protects the woofer and adds to the sleek appearance of the unit. A high power amplifier and active crossovers provide smooth and accurate reproduction. To accommodate any studio environment, the K10s has RCA, 1/4 inch (balanced/unbalanced) or XLR inputs for all your input options.

Features

- 225 Watt (peak) powered subwoofer for studio use
- SPL rating of 110db music and 113db peak
- Frequency response of 34 Hz- 50Hz to 130Hz variable
- 10 inch high excursion glass aramid composite woofer
- Variable and sweepable low pass filter
- 80Hz high pass filter
- Radically curved front baffle design for amazing performance
- Front firing port provides low frequency extension without boundary coupling
- Bypass control using standard footswitch

Am Updated Standard in Low Frequency Monitoring

For years, KRK subwoofers have been the choice for accurate low frequency monitoring in studios large and small. Now, the K10s provides a standard for even better performance and accuracy, raising the bar once again. Whether you are mixing in a 2.1 or 5.1 surround environment or just looking to upgrade the low-frequency extension of your existing monitors, the K10s will provide the low frequency detail and accuracy that will help you to create a better mix.

Let's Be Up Front
Take a look at competitive subwoofer monitors and you'll find ports on the back of the cabinet. These rear-firing ports tend to create bass coupling with walls and corners over-amplifying low frequency information which in turn colors your mix. The superior design of the KRK10s includes front-firing ports which are just the right shape to reduce port turbulence. You'll appreciate the clean and accurate bass performance this approach delivers, even at high SPLs.

Feel the Bass

You need to feel the bass and the proprietary signature yellow woofer delivers tight, clear low end response. Engineers and a listening panel took the K10s speaker voicing to even more accurate levels. Featuring a sweepable 50 Hz - 130 Hz low pass filter, your K10s provides flexible control for any monitoring system. What you hear is what you are intended to hear, coloration is not part of the spec. This performance is brought to you by drivers that are custom-designed by a world-class studio monitor engineering team, for a clear, low-distortion performance.

Take Control

Professional engineers like the ability to hear how the sub is affecting the mix. Your KRK subwoofer is equipped with a bypass feature which allows you to defeat the sub and provide full range audio to your recording monitors. To use the bypass function, you will need to use a standard latching 1/4 mono footswitch.
Customer Reviews
5 out of 5 (50 ratings) Rate and Review This Product
zZounds has verified that this customer bought this product from us. "A Sub easily worth 3-4x its price!"
Sound: This sub produces a nice, tight bass sound which can be reliably used for all stages of mixing. I don't know if I would trust it for a final master if it was gunna be released on a major record label, but its still a great sound for the home/project studio. Feature: It has volume, a crossover that doesn't suck (as it might on other subs in this price range), and a bypass port for a foot switch. I really like the option to bypass, but I have noticed a sound difference between using my rokit RP5 G2's without the sub plugged in, and having them plugged into the sub and using the bypass. It almost sounds like the bypass switch just activates a high pass filter in the sub, not actually bypassing the unit... Despite the bypass switch issue, I really appreciate all of the IO options KRK provided my with on this sub. I prefer using all balanced connections whenever possible, so I was a real fan of the XLR (which I use exclusivly) and TRS inputs/outputs. Sure there's RCA I/O, but why use 'em!? Ease of Use: Its a sub with fairly basic controls. Just literally plug in and play. Quality: The build quality is pretty good. I ordered a B stock, and 6 months later its still working great. Part of the grill doesn't push all the way in, and the packaging was pretty worn. I bring my whole audio setup to and from my college (500 miles away from my home) every few months, so I do actually use the boxes (which is the safest way to transport studio monitors/subs). Overall, I was expecting the worn packaging so its all good. Value: For the money, this sub is a great value. It could easily compete with subs $1000's more expensive. Manufacturer Support: Never needed 'em, but if their support is as good as their products, it should be fine. The Wow Factor: Its big, black, has curves, and makes a hell of a noise. Isn't that every guy's dream!? Overall: Overall, I dont regret this purchase. It's really added the right ammount of bass to my rokik RP5 G2's, and has already paid for itself.
Style of Music: Some of everything
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zZounds has verified that this customer bought this product from us. "KRK 10s Subwoofer (I LIKE)"
Sound: I have an old set of KRK 6000 monitors which are discontinued. They are a bit weak on the bottom end. All my mastereds recordings end up bass heavy so I decided I need a sub woofer. I have been dailing in just the right amount as I shuffle thru tunes on my iPod. I am very pleased with the sounds I'm getting. Feature: This subwoofer is powered and includes built in crossover. I was able to put this subwoofer infront of my monitor amp in my signal chain. The crossover is continuously variable between 50 and 130Hz. With the sweepable crossover freq, the independant sub gain and the handy cross over bypass switch (you just plug in a keyboard pedel) I feel pretty confidant that I've got a subwoofer that is present but not too present and I can instantly compair a mix with and without sub, by stepping on that footswitch. It also has a phase switch should you have some problems with that Ease of Use: This is the only subwoofer I've added to a studio monitor system. I found it very simple to impliment. The manual offered some handy tips for placement. Quality: I bought this one as a scratch and dent and it's white. Those two factors made it affordable to me. The dent is in the back so you don't notice it. It seems quite sturdy and I expect it to perform well... we shall see. Value: Well, I found it to be the most affordable of the professional studio monitor subs. And I found it to have the same or more features than its competitors, so yeah, I'd say its worth it's selling price Manufacturer Support: back in 2001 when I bought my KRK 6000 monitors, I dealt with KRK. I was looking for some response curves for the 6000. I don't think they ever made any, but I did talk to the engineer who designed them. He was responsive. I've never needed any repair work. I expect this sub to fix my missing bottom end which is why I asked for response curves in the first place. The Wow Factor: while this product is attractive, I don't find it sexy Overall: This is it. I don't expect to upgrade anymore.
Style of Music: eclectic
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