Korena
Product detailSKU #1500000345677

KRKS8.4 8" Powered Studio Subwoofer

KRK
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KRK S8.4 8" Powered Studio Subwoofer
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Independent shopping perspective

The Korena take

The S8.4 adds an active 8-inch subwoofer to a studio-monitor setup, with a listed 34 Hz–133 Hz response (±3 dB) and 109 W amplifier rating. Its front-loaded, vented design offers left/right XLR, 1/4-inch TRS, and RCA connections for integrating with a variety of monitor paths. Use the four crossover choices to align it with existing monitors. With an optional, separately sold footswitch, bypass control makes it possible to check a mix with or without the subwoofer from the monitoring position.

KRK S8.4 8" Powered Studio Subwoofer product detail
Product studyKRK S8.4 8" Powered Studio Subwoofer
KRK S8.4 8" Powered Studio Subwoofer alternate view
Alternate view

Strong match

Who this is for

  • Monitor setups needing a compact-format subwoofer with a listed 34 Hz low-frequency response.
  • Studio routing that uses XLR, 1/4-inch TRS, or RCA left/right connections.
  • Mix checks that benefit from switching the subwoofer bypass on and off.

What matters in use

The specifications, translated

Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01

Four-position crossover selector

Lets you select among four settings when pairing it with existing monitors.

Detail 02

XLR, 1/4-inch TRS, and RCA I/O

Both input and output are available in these left/right connection formats.

Detail 03

1/4-inch footswitch input

Supports bypass control with an optional footswitch sold separately.

Detail 04

26.5 weight

A 26.5 weight specification is listed for this model.

Final check

Know before you order

  1. 01The bypass footswitch is sold separately.
  2. 02Set the crossover selection to match the subwoofer with your existing monitors.

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01Which inputs and outputs are available?

The S8.4 has left/right XLR, 1/4-inch TRS, and RCA inputs and outputs, plus a 1/4-inch footswitch input.

02What is its listed frequency response?

The ±3 dB response is 34 Hz–133 Hz. Its stated -10 dB frequency range is 29 Hz–205 Hz.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

2 detailsSound
Frequency Response 3db
34Hz–133Hz
Frequency Range 10db
29Hz–205Hz
1 detailsBody & build
Color
Red
4 detailsConnections & power
Output
XLR left/right, 1/4 inch TRS left/right, RCA left/right
Input Impedance
9.4 kohms balanced/9.2 kohms unbalanced
Input
XLR left/right, 1/4 inch TRS left/right, RCA left/right, 1/4 inch footswitch
Amplifier Power Rating
109W (1% THD+N)
1 detailsSize & weight
Weight
26.5
4 detailsOther
Configuration
Front-loaded, vented subwoofer
System Type
Active subwoofer
Max Peak SPL
113dB SPL
Transducers
8 inch glass aramid composite woofer, 1.5” voice coil