KRK S8.4 8" Generation 4 Powered Studio Subwoofer

SKU: KRKS84 MFR: S8.4-NA
Earn VIP Reward Points

Key Features

  • Experience deep bass with this 8" KRK studio subwoofer, perfect for critical listening.
  • Achieve balanced sound: 34.5Hz-133Hz frequency response for accurate low-end monitoring.
  • Enjoy pristine audio: Class D amp delivers 109 Watts, ensuring clear studio sound.
  • Flexible connectivity: XLR, TRS, and RCA inputs integrate with your pro audio setup.
  • Minimize unwanted noise: Features a ground lift switch for cleaner studio recordings.
  • Optimized cabinet design reduces resonance, enhancing your subwoofer's audio clarity.
See More Product Details
Special Order?Estimated to Ship: 08/17/2025
Free Shipping

See Options

1

Protect your gear with Adorama Protect.* Learn more

1 Year

$39.99

2 Year

$69.99

3 Year

$79.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

KRK Studio Subwoofer Specifications

  • Configuration

    Front Loaded, Vented Subwoofer

  • System Type

    Active Subwoofer

  • Low-Frequency

    8" (20.3cm) Glass Aramid Composite Woofer

  • Frequency Response

    34.5Hz - 133Hz

  • Max Peak SPL

    112.8 dB

  • Amplifier

    Class D

  • Power Output (Continous)

    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 KOhm Balanced, 9.2 KOhm 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

  • Output Connectors

    XLR L/R, 1/4" TRS L/R, RCA L/R

  • AC Power Input

    100VAC-240VAC

  • Enclosure

    15mm and 18mm Reinforced MDF

  • Finish

    Black Vinyl Wrap, Baffle - Black Paint

  • Hardware

    EVA Isolation Pad

  • Dimensions (H x W x D)

    11 x 16.1 x 11.5" (279 x 410 x 292mm)

  • Weight

    26.5 lbs (12kg)

  • UPC Code

    711106052465

Models
KRK S8.4 8" Generation 4 Powered Studio Subwoofer
$369.00

Special Order

Generally ships in 7-14 days, subject to availability

Behringer Eurolive B1200D-PRO High-Performance Active 500-Watt 12" PA Subwoofer
$369.00

On Backorder

Order now, your card will not be charged until it is ready to ship.

Behringer NEKKST K10S Audiophile 10" Studio Subwoofer
$369.00

Special Order

Generally ships in 7-14 days, subject to availability

Size8"12"10"
Speaker TypeCompact SubwooferCompact SubwooferCompact Subwoofer
Power TypeActive SubwooferActive SubwooferActive Subwoofer

About KRK Studio Subwoofer

For audio professionals and enthusiasts seeking unparalleled low-frequency performance, the S8.4 8" Generation 4 Powered Studio Subwoofer from KRK is the quintessential choice. This subwoofer is meticulously engineered to uphold KRK's reputation for sonic precision within a sleek, compact design, making it an ideal addition to any studio space.

At the heart of the S8.4 lies a custom-voiced, glass-aramid woofer that excels in delivering tight, defined bass that faithfully reproduces the true essence of your audio. The integration of a high-efficiency Class-D power amplifier not only enhances transient response but also provides exceptional control and punch, ensuring that every note and nuance is captured with clarity.

The subwoofer's four-position selectable crossover affords you the flexibility to tailor the subwoofer's output to seamlessly integrate with your existing studio monitors. Whether paired with KRK monitors or other brands, the S8.4 subwoofer elevates your mixing and listening experience by extending the low-end frequency range, thus enabling a more comprehensive sonic landscape.

One of the standout features of the S8.4 is its exclusive bypass-control functionality. This innovative design allows for the delivery of full-range audio to your monitors without the need to power down the subwoofer, thereby maintaining an uninterrupted workflow.

The bypass footswitch is another critical element that enhances the mixing process. With this tool, you can swiftly mute the subwoofer, sending full-range audio to your recording monitors for an accurate assessment of your mix.

Durability is a hallmark of KRK's design philosophy, and the S8.4 subwoofer is no exception. It boasts a heavy-duty enclosure constructed from reinforced MDF, ensuring maximum strength and resilience against any studio mishaps.

Furthermore, the front-firing port of the S8.4 is meticulously crafted to facilitate low-frequency extension while minimizing boundary coupling. The distinctive port design is optimized to prevent turbulence, allowing for a clean and distortion-free bass response.

Compatibility is key, and the S8.4 subwoofer is designed to play well with others. With dedicated crossover and an optional High-pass filter bypass, this subwoofer is the perfect complement to powered monitors across various applications, including mixing, mastering, sound design, broadcast, and production work.

In summary, the KRK S8.4 8" Generation 4 Powered Studio Subwoofer is not just an addition to your studio setup; it's a transformative element that brings the next dimension in subwoofer performance to your audio production environment.

KRK Studio Subwoofer Features

  • 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

Key Features

  • Experience deep bass with this 8" KRK studio subwoofer, perfect for critical listening.
  • Achieve balanced sound: 34.5Hz-133Hz frequency response for accurate low-end monitoring.
  • Enjoy pristine audio: Class D amp delivers 109 Watts, ensuring clear studio sound.
  • Flexible connectivity: XLR, TRS, and RCA inputs integrate with your pro audio setup.
  • Minimize unwanted noise: Features a ground lift switch for cleaner studio recordings.
  • Optimized cabinet design reduces resonance, enhancing your subwoofer's audio clarity.

What's in the box:

  • KRK S8.4 8" Powered Studio Subwoofer
  • Power Cord
  • (Footswitch Not Included)
  • KRK 3 Year Limited Warranty