KRK S10.4 Powered Studio Subwoofer

Bring deeper, tighter and more controlled low-end to your studio monitoring system with the KRK S10.4 powered studio subwoofer.

Designed for music production, mixing, mastering, sound design, broadcast and professional audio applications, the KRK S10.4 combines a 10-inch glass aramid composite woofer with a powerful 160-watt Class-D amplifier to deliver extended, accurate bass with the punch and control expected from KRK monitoring systems.

With bass extension down to 27 Hz and a maximum peak SPL of 117.2 dB, the S10.4 lets you hear more of the low-frequency information in your music, including bass lines, kick drums, sub-bass, sound effects and other critical elements that can be difficult to judge accurately on smaller studio monitors.

Powerful, Accurate Low-End

The S10.4 features a custom-voiced 10-inch glass aramid composite woofer designed to produce tight, defined bass. Its Class-D amplification provides high output while maintaining the fast transient response and control needed for critical studio monitoring.

The result is extended low-frequency performance that complements your existing studio monitors without sacrificing clarity or accuracy.

Easy Integration With Studio Monitors

The S10.4 is designed to work with KRK studio monitors as well as powered monitors from other manufacturers. A four-position selectable crossover makes it easy to configure the subwoofer for your monitoring system and achieve a more balanced full-range monitoring setup.

Universal connectivity includes:

• XLR left/right inputs and outputs
• 1/4-inch TRS left/right inputs and outputs
• RCA left/right inputs and outputs
• 1/4-inch footswitch connection
• Four-position crossover control
• Polarity control
• Input sensitivity control
• Ground lift switch

Convenient Subwoofer Bypass

The S10.4 includes KRK's dedicated bypass-control system, allowing you to quickly mute the subwoofer and send full-range audio to your studio monitors when used with the optional footswitch.

This makes it easy to compare your mix with and without the extended low-frequency contribution of the subwoofer—without leaving your listening position. The footswitch is optional and sold separately.

Front-Firing Port & Reinforced Enclosure

The S10.4 uses a front-firing bass port engineered to provide low-frequency extension while helping reduce boundary coupling and minimise port turbulence.

The enclosure is constructed from reinforced MDF, with a durable black vinyl finish and EVA isolation hardware. Its redesigned lower-profile cabinet is built for demanding studio environments.

Ideal for Music Production & Critical Listening

The KRK S10.4 is an excellent choice when your studio monitors need additional low-frequency extension. It is suited to:

• Music production
• Mixing
• Mastering
• Recording studios
• Home studios
• Project studios
• Sound design
• Broadcast production
• Film and post-production
• Electronic music and bass-heavy production
• Critical listening

Whether you're checking the impact of a kick drum, balancing a bass guitar, judging sub-bass in electronic music or monitoring low-frequency effects in film and sound design, the S10.4 provides the extended low end needed to make more informed mixing decisions.

Complete Your Studio Monitoring System

The KRK S10.4 10-inch powered studio subwoofer is built for producers, engineers and audio professionals who need deeper low-frequency monitoring without compromising control or accuracy. With its 160-watt Class-D amplifier, 10-inch glass aramid woofer, flexible crossover and extensive connectivity, the S10.4 is a powerful addition to a professional or home studio monitoring setup.

Features

• 10-inch glass aramid composite woofer
• 160 watts continuous Class-D amplification
• Bass extension down to 27 Hz
• Maximum peak SPL of 117.2 dB
• Front-loaded, vented active subwoofer design
• Four-position selectable crossover
• XLR, 1/4-inch TRS and RCA inputs and outputs
• Optional footswitch for subwoofer and crossover bypass
• Polarity and input sensitivity controls
• Ground lift switch
• Front-firing bass port
• Reinforced MDF enclosure
• EVA isolation pad
• Designed for use with KRK and other powered studio monitors

Specifications

Specification	Details
System Type	Active Powered Subwoofer
Configuration	Front Loaded, Vented
Woofer	10" Glass Aramid Composite
Frequency Response	30 Hz – 110 Hz
Bass Extension	27 Hz
Maximum Peak SPL	117.2 dB
Amplifier	Class D
Continuous Power	160 W
Signal-to-Noise Ratio	92 dB
Inputs	XLR L/R, 1/4" TRS L/R, RCA L/R
Outputs	XLR L/R, 1/4" TRS L/R, RCA L/R
Footswitch Connection	1/4"
Crossover	Four-position selectable
Ground Lift	On/Off
HPF Bypass	Via optional footswitch
Enclosure	15 mm / 18 mm reinforced MDF
Dimensions (H × W × D)	341 × 479 × 310 mm
Weight	15.88 kg
Finish	Black vinyl wrap with black-painted baffle