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KRK S8.4 8 inch Powered Studio Subwoofer

8" Powered Subwoofer with 8" Glass Aramid Composite Woofer, 70-100Hz Crossover Filter, Polarity Reverse, Ground Lift Switch, and Footswitch Jack
$369.00

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KRK S8.4 8 inch Powered Studio Subwoofer
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Big, Booming Bass for Any Studio Setup

KRK's S8.4 8-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 S8.4, you'll experience an incredibly tight and punchy low end delivered through a single 8-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 S8.4 8-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 S8.4 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 S8.4 to whatever monitors you're currently using, with options for 70, 80, 90, and 100Hz 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 S8.4'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 S8.4's extensive feature set makes it the perfect companion for whatever setup you're running.

KRK S8.4 8-inch Powered Studio Subwoofer Features:

  • High-powered studio subwoofer that complements any set of studio monitors
  • 8-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
  • 70–100Hz 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: 34.5Hz–133Hz

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Tech Specs

  • Powered: Yes
  • Speaker Size: 8"
  • Driver Type: Glass Aramid Composite
  • Total Power : 109W Class D
  • Frequency Range: 29Hz-205Hz (-10dB)
  • Maximum Peak SPL: 112.8 dB SPL
  • 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
  • Height: 11"
  • Width: 16.12"
  • Depth: 11.5"
  • Weight: 26.5 lbs.
  • Manufacturer Part Number: S8.4-NA

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Customer Reviews

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Rated 5/5

Exactly what I NEEDED!

All I can say is WOW! This subwoofer was exactly what I NEEDED!
Music background: Christian Singer and Artist
Rated 4/5

Literally blown away

Krk s8.4 8-in subwoofer literally blew me away, I was just looking to add a little extra base to my studio sound system and I got more than I bargained for. The little subwoofer is solidly built, provides tons of clear sound, and was very affordable. I am very satisfied thank you Sweetwater
Rated 4/5

Literally blown away

Krk s8.4 8-in subwoofer literally blew me away, I was just looking to add a little extra base to my studio sound system and I got more than I bargained for. The little subwoofer is solidly built, provides tons of clear sound, and was very affordable. I am very satisfied thank you Sweetwater
Rated 5/5

Tight Base Has Arrived

I purchase this KRK S8.4 Sub to pair with the Adam A4V Monitors. It has the requisite I/O connections for Balance Audio. I used an SPL meter per the manual with a Pink Noise track and dialed in the output level to match the A4Vs. In my setup, Sub under the desk, it seemed to like the 100hz cutoff setting but still playing with the settings. The A4Vs are dialed back -6db and the Sub level is about 90% on the dial. I might experiment with the sensitivity switch (set to normal now) but I noticed a higher noise floor when input audio is off. Its Tight. Its s great little sub for this small room. I liked the standby option OFF switch. I prefer the Sub ON when working. Its a heavy solid cabinet. Comes with a small thin pad for a desktop or shelf. I will end up raising it on some feet off the floor. Highly recommended.
Music background: Tourist
Rated 5/5

Great for a home studio.

I never before had a subwoofer so I can't attest for this one being the best, I can say with confidence that this one is a reasonable choice in terms of power and size for a home studio as most of us have (a regular room that used to be an office or a garage), and an excellent choice in terms of the just sheer quality and finish.

Now: YOU REALLY TRULY ABSOLUTELY COMPLETELY TOTALLY NEED A SUBWOOFER unless you want to put a mix out that has a COMPLETELY UNKNOWN LAND located in the bass frequencies.

And to really help you, I have to advise you on getting a BOSS Bass Equalizer GEB-7 (or any other bass eq, if there's any other out there that compares...).
This pedal will do boost and EQ together for you and help you see (hear) the unseen (unheard) bass regions of your mix.
Music background: Physician working on becoming a professional composer.
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