SKU: 13199296661

KRK S8.4 Powered Studio Subwoofer

$224.55 $249.50
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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27

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Description

KRK S8.4 Powered Studio SubwooferQuantity: Single Powered Subwoofer LF Driver: 8" Wattage: 109 Watts The S8. 4 powered studio subwoofer builds upon KRKs legacy for sonic accuracy in a compact form factor. The custom voiced, glass aramid woofer delivers tight, defined bass, while the Class D power amplifier dramatically increases transient response, control and punch. The four position selectable crossover lets you adjust the subwoofer setting easily to your existing monitors. Pairing

Quantity: Single Powered Subwoofer

LF Driver: 8"

Wattage: 109 Watts

The S8.4 powered studio subwoofer builds upon KRK’s legacy for sonic accuracy in a compact form factor. The custom-voiced, glass-aramid woofer delivers tight, defined bass, while the Class-D power amplifier dramatically increases transient response, control and punch. The four-position selectable crossover lets you adjust the subwoofer setting easily to your existing monitors.

Pairing the S8.4 subwoofer with KRK or another studio monitor delivers an optimized mixing and listening experience with extended low end, while the exclusive bypass-control feature provides full range audio to the monitors without switching off the subwoofer. KRK’s S8.4 subwoofer doesn’t just deliver precise bass and a rich feature set: it’s the next dimension in subwoofer performance.

Bypass Footswitch

Mix with confidence. The bypass footswitch control allows you to quickly mute the sub and send full-range audio to your recording monitors.

Heavy Duty Enclosure

KRK Subwoofers feature reinforced MDF enclosures for maximum strength and durability. Never let a spilled beer or wild ninja roundhouse kick stop your mixing session again.

Front-firing Port

We engineered the front port to provide low frequency extension while reducing boundary coupling. The unique shape is optimized to avoid port turbulence.

Plays well with others

Dedicated crossover and optional High-pass filter bypass means that our subwoofers are the perfect compliment to powered monitors. From mixing and mastering to sound design, broadcast and production work - KRK has you covered.

Features & Highlights

  • 8" glass aramid composite woofer
  • Bass extension to 29Hz with a max SPL of 112.8 dB
  • Footswitch control enables/disables sub and crossover filter (footswitch not included)
  • Redesigned cabinet with a lower profile and front-firing bass port
  • Powerful, lightweight Class D amplification
  • Optimized four-position crossover control
  • Universal connectivity: XLR, 1/4" TRS, and RCA inputs and outputs
  • Polarity and input sensitivity controls
  • Ground lift switch prevents ground loops

 

    Specifications

    • Configuration: Front Loaded, Vented Subwoofer
    • System Type: Active Subwoofer
    • Low-Frequency Transducer: 8" Glass Aramid Composite Woofer
    • Frequency Response: 34.5Hz - 133Hz
    • Max Peak SPL: 112.8 dB
    • Amplifier: Class D
    • Power Output (Continuous): 109 Watts @ 1% THD+N @ 46Hz
    • Signal to Noise Ratio: 92 dB
    • Amplifier Distortion (THD + N): ≤ 0.1% @-3dB Of Max Power Output 35Hz-133Hz
    • Input Impedance: 9.4 KΩ Balanced, 9.2 KΩ Unbalanced
    • Ground Lift: On/Off
    • HPF Bypass: With Footswitch Only
    • Footswitch: Optional
    • Indicators: Power/Standby
    • Input Connectors: XLR L/R, 1/4" TRS L/R, RCA L/R, 1/4" Footswitch
    • LFE Input: N/A
    • Output Connectors: XLR L/R, 1/4" TRS L/R, RCA L/R
    • AC Power Input: 100VAC-240VAC
    • Enclosure: 15 mm and 18 mm Reinforced MDF
    • Finish: Black Vinyl Wrap, Baffle - Black Paint
    • Hardware: EVA Isolation Pad
    • Dimensions (H x W x D): (H x W x D): 11" (279 mm) x 16.125" (410 mm) x 11.5" (292 mm)
    • Weight: 26.5 lb. (12 kg.)
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 13199296661

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    4.5 ★★★★★
    Based on 27 reviews
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    Product Reviews
    K
    Verified Purchase
    Kim Wood
    West Palm Beach, US
    ★★★★★ 5
    Good purchase
    Style: 3 Pound, Pair
    These are just the right weight for me to start gaining muscle back in my arms, after a large weight loss. They are of good quality, they are covered in a nice rubber like coating that is soft to the touch. They are small enough that i can take them with me when I travel. My dog has got hold of them a couple times and played with them, and they held up just fine without any damage.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 28, 2026
    K
    Verified Purchase
    Ky Mogg
    West Palm Beach, US
    ★★★★★ 5
    Solid, grippy, and they don’t roll away!
    Style: 10 Pound, Pair
    I bought these because I’m finally trying to build a consistent home workout routine and didn't want to drop a fortune on name-brand weights. I’ve been using this 10lb pair for about a month now for everything from overhead presses to lunges, and honestly, they’re exactly what I was looking for. The Pros: • That Neoprene Grip: The coating is fantastic. Even when my hands get pretty sweaty halfway through a workout, I don’t feel like I’m going to drop them. It’s a much "softer" feel than cold metal or hard plastic. • The Hex Shape: This is a small detail that makes a huge difference. Since the ends are hexagonal, they don't roll across the floor when I set them down between sets. They also stay put if I’m using them for "renegade rows" or floor work. • Compact Size: They aren’t bulky. I can easily shove them under my bed or in the corner of the closet when I’m done. • No Weird Odor: I was worried they might smell like a tire factory (which happens with some rubber-coated weights), but these had almost no scent right out of the box. The Cons: • Handle Diameter: The handles are a little on the thicker side. I have medium-sized hands and it’s fine, but if you have very small hands, they might feel a bit chunky to wrap your fingers all the way around. • Color Scuffs: The navy blue looks great, but if you clank them together or drop them on concrete, the coating can scuff or show dust pretty easily. The Verdict: If you just need a reliable set of weights for HIIT, Pilates, or general strength training, these are a no-brainer. You're basically getting gym-quality equipment for a fraction of the price. I’ll probably be back for the 15lb set in a few months!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 27, 2026
    M
    Verified Purchase
    Matt
    West Palm Beach, US
    ★★★★★ 5
    Simple, Comfortable, and Exactly What You Expect
    Style: Rack with 3 Pairs (5, 10, and 15 Pound)
    These are pretty much exactly what you want from a set of dumbbells — simple, functional, and no nonsense. The neoprene coating gives them a comfortable grip and keeps them from feeling slick in your hands, especially during longer workouts or if your hands get sweaty. The coating also helps keep them from banging up floors or making as much noise compared to bare metal weights, which is nice if you’re working out at home. Weight accuracy seems fine for general fitness use, and they’ve worked great for things like accessory movements, shoulder work, lighter presses, rehab-style exercises, and general muscle toning. The shape also helps keep them from rolling around everywhere when set down. They’re not fancy, and they’re not trying to be — they’re just dependable dumbbells that do what they’re supposed to do at a fair price. If you want straightforward hand weights for home workouts without overthinking it, these are a solid buy.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 26, 2026
    C
    Verified Purchase
    ChaCha
    Battle Creek, US
    ★★★★★ 5
    Reliable, Comfortable Dumbbells I Actually Use Every Day
    Style: 12 Pound, Pair, Style: 12 Pound, Pair
    I’ve been using the Amazon Basics Neoprene Dumbbell Hand Weights daily, and they’ve honestly been perfect for my routine. Whether I’m doing a quick morning workout or adding resistance to a longer session, these have held up really well. The neoprene coating makes a big difference—it provides a comfortable, non-slip grip, even during longer workouts or when my hands get a little sweaty. They’re also easy to clean and don’t have that strong rubber smell some weights can have. I really appreciate the hex shape too. They stay put when I set them down (no rolling across the floor), which makes switching between exercises quick and frustration-free. The weight feels evenly distributed and well-balanced, so movements feel controlled and smooth. Overall, these are simple, no-frills dumbbells that just work. If you’re looking for reliable hand weights for everyday use—whether you’re a beginner or just need something dependable for home workouts—these are a great choice.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 14, 2026
    R
    Verified Purchase
    Rayven Z
    Battle Creek, US
    ★★★★★ 5
    Great quality and perfect for home workouts!
    Style: Rack with 3 Pairs (3, 5, and 8 Pound)
    I’m really happy with this dumbbell set. The weights are clearly labeled (3 lb, 5 lb, and 8 lb), which makes it super convenient to switch between exercises. The neoprene coating feels comfortable in hand and provides a good grip, even during longer workouts. The storage stand is a big plus—it keeps everything organized and saves space, which is perfect for a small home gym. The colors are also nice and make it easy to quickly grab the weight you need. Overall, this is a great set for beginners or anyone looking to add light strength training to their routine. Highly recommend!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 13, 2026

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