Krk S8.4 Powered Studio Subwoofer


Bass extension to 29Hz with a max SPL of 112.8 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


The S8.4 powered studio subwoofer builds upon KRK’s legacy for sonic accuracy in a compact form factor. The custom-voiced, glass 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.





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