KRK S8.4 Powered Studio Subwoofer

The KRK S8.4 Powered Studio Subwoofer features an 8″ glass aramid composite woofer, delivering precise and defined bass frequencies. With a maximum SPL of 112.8 dB and a frequency response ranging from 34.5Hz to 133Hz, it ensures deep and impactful low-end reproduction.

Powered by a Class D amplifier providing 109W continuous power, the S8.4 offers robust performance suitable for various studio applications. Its four-position selectable crossover allows seamless integration with existing monitors, while the reinforced MDF enclosure and front-firing port design enhance durability and bass clarity.

Universal connectivity options include XLR, 1/4″ TRS, and RCA inputs and outputs, accommodating flexible setup configurations. Additionally, an optional footswitch enables convenient bypass control, making it easy to switch between full-range and subwoofer-enhanced audio outputs during critical listening and mixing sessions.

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): 11″ (279 mm) x 16.125″ (410 mm) x 11.5″ (292 mm)
Weight: 26.5 lb. (12 kg)