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 makes it easy to adjust the subwoofer setting to your existing monitors. Pairing the S10.4 with KRK or another studio monitors 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. KRK's S10.4 subwoofer doesn’t just deliver precise bass and a rich feature set: it’s the next dimension in subwoofer performance. Features 10 glass aramid composite woofer Bass extension to 28Hz with a max SPL of 117 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 Optimized four-position crossover control Universal connectivity: XLR, 1/4 TRS, and RCA inputs and outputs Polarity and input sensitivity controls 15mm reinforced MDF enclosure provides maximum strength and protection Ground lift switch prevents ground loops Specifications Configuration: Front Loaded, Vented Subwoofer System Type: Active Subwoofer Low-Frequency: 10 Glass Aramid Composite Woofer Frequency Response: 34Hz - 130Hz Max Peak SPL: 117.2 dB Amplifier: Class D Power Output (Continous): 160 Watts @ 1% THD+N @ 44Hz Signal to Noise Ratio: 92 dB Amplifier Distortion (THD + N): = 0.12% @-3dB Of Max Power Output 31Hz-110Hz Input Impedance: 9.4 K? Balanced, 9.2 K? Unbalanced Ground Lift: On/Off Low Pass Frequency: 28Hz-156Hz HPF Bypass: With Footswitch Only Footswitch: Optional Phase: 0 or 180 Degrees System Volume: -30 dB to +6 dB Indicators: Power/Standby, Sub On/Mute, HPF Bypass 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: 15mm Reinforced MDF Finish: Black Vinyl Wrap Dimensions (H x W x D): 15 (382mm) X 14 (355mm) X 16.06 (408mm) Weight: 34.5 lb. (15.6 kg)
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