KRK S8.4

8″ glass aramid composite woofer Bass extension to 30Hz with a max SPL of 112 dB Footswitch control enables/disables sub and crossover filter (footswitch not included) Curved design with front-firing bass port for placement flexibility Powerful, lightweight Class D amplification


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From the manufacturer

Feel the bass. New pro subwoofer series.

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KRK S8.4

S8 Generation 4 Powered Studio Subwoofer, 8″

The S8.4 powered studio subwoofer builds upon KRK?s legacy for sonic accuracy in a compact form factor. The custom-voiced, glass-aramid woofer delivers 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 S8.4 subwoofer with KRK or another studio monitor delivers an optimized mixing and listening experience with extended low end, while the exclusive bypass-control feature provides full range audio to the monitors without switching off the subwoofer. KRK?s S8.4 subwoofer doesn?t just deliver precise bass and a rich feature set: it?s the next dimension in subwoofer performance.

Key Features

  • 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

KRK Subwoofers

8" S10.4 S12.4 S8.4 S10.4 S12.4 Low-Frequency 8″ Glass Aramid Composite Woofer 10″ Glass Aramid Composite Woofer 12″ Kevlar Aramid Composite Woofer Frequency Response 34.5Hz – 133Hz 30Hz – 110Hz 26Hz – 97Hz Max Peak SPL 112.8 dB 117.2 dB 119.9 dB Power Output (Continous) 109 Watts @ 1% THD+N @ 46Hz 160 Watts @ 1% THD+N @ 44Hz 220 Watts @ 1% THD+N @ 44Hz Signal to Noise Ratio 92 dB 92 dB 92 dB Amplifier Distortion (THD + N) ? 0.1% @-3dB Of Max Power Output 35Hz-133Hz ? 0.12% @-3dB Of Max Power Output 31Hz-110Hz ? 0.3% @-3dB Of Max Power Output 29Hz-97Hz AC Power Input 100VAC-240VAC 100VAC-240VAC Selectable 110V-120V / 220V-240V Enclosure 15 mm and 18 mm Reinforced MDF 15 mm and 18 mm Reinforced MDF 18mm Reinforced MDF Dimensions (H x W x D) (H x W x D): 11″ (279 mm) x 16.125″ (410 mm) x 11.5″ (292 mm) (H x W x D): 13.4375″ (341 mm) x 18.875″ (479 mm) x 12.1875″ (310 mm) (H x W x D): 16.375″ (416 mm) x 23.875″ (606 mm) x 14.375″ (365 mm) Weight 26.5 lb. (12 kg.) 35 lb. (15.88 kg.) 62.5 Lb. (28.3 kg.)

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