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KRK Systems

KRK Systems S12.4 Powered Studio Subwoofer - Black (Each)

Regular price R 19,549.00
Regular price Sale price R 19,549.00
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KRK Systems S12.4 Powered Studio Subwoofer - Black (Each)







The S12.4 powered studio subwoofer builds upon KRK’s legacy for sonic accuracy and stellar performance. The custom-made, Kevlar® woofer delivers ultra-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 S12.4 with KRK or another studio monitor delivers an optimized listening and mixing experience with extended low end, while the exclusive bypass-control feature provides full range audio to the monitors without switching off the subwoofer. The powerful S12.4 subwoofer doesn’t just deliver precise, ultra-low 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.



12" Kevlar® Composite Woofer
Bass extension to 23Hz with a max SPL of 119.9 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



Configuration: Front Loaded, Vented Subwoofer
System Type: Active Subwoofer
Low-Frequency Transducer: 12" Kevlar® Aramid Composite Woofer
Frequency Response: 26Hz - 97Hz
Max Peak SPL: 119.9 dB
Amplifier: Class D
Power Output (Continous): 220 Watts @ 1% THD+N @ 44Hz
Signal to Noise Ratio: 92 dB
Amplifier Distortion (THD + N): ≤ 0.3% @-3dB Of Max Power Output 29Hz-97Hz
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: Balanced TRS
Output Connectors: XLR L/R, 1/4" TRS L/R, RCA L/R
AC Power Input: Selectable 110V-120V / 220V0240V
Enclosure: 18mm Reinforced MDF
Finish: Black Vinyl Wrap, Baffle - Black Paint
Hardware: EVA Isolation Pad
Dimensions (H x W x D): (H x W x D): 16.375" (416 mm) x 23.875" (606 mm) x 14.375" (365 mm)
Weight: 62.5 Lb. (28.3 kg.)