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KRK Subwoofers Compared
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S8.4
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S10.4
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S12.4
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12sHO
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Configuration
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Front Loaded, Vented Subwoofer
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Front Loaded, Vented Subwoofer
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Front Loaded, Vented Subwoofer
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Front Loaded, Vented Subwoofer
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System Type
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Active Subwoofer
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Active Subwoofer
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Active Subwoofer
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Active Subwoofer
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Low-Frequency
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8" Glass Aramid Composite Woofer
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10" Glass Aramid Composite Woofer
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12" Kevlar® Aramid Composite Woofer
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12" Woven Kevlar® High Performance Woofer
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Frequency Response
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34.5Hz - 133Hz
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30Hz - 110Hz
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26Hz - 97Hz
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29.2Hz - 160Hz (L/R inputs), 29.1Hz - 211Hz (LFE input)
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Max Peak SPL
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112.8 dB
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117.2 dB
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119.9 dB
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123 dB
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Amplifier
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Class D
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Class D
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Class D
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Class A/B
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Power Output (Continous)
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109 Watts @ 1% THD+N @ 46Hz
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160 Watts @ 1% THD+N @ 44Hz
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220 Watts @ 1% THD+N @ 44Hz
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400 Watts @ 1% THD+N @ 100Hz
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Signal to Noise Ratio
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92 dB
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92 dB
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92 dB
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92 dB
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Amplifier Distortion (THD + N)
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≤ 0.1% @-3dB Of Max Power Output 35Hz-133Hz
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≤ 0.12% @-3dB Of Max Power Output 31Hz-110Hz
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≤ 0.3% @-3dB Of Max Power Output 29Hz-97Hz
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≤ 0.1% @-3dB Of Max Power Output 20Hz-200Hz
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Input Impedance
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9.4 KΩ Balanced, 9.2 KΩ Unbalanced
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9.4 KΩ Balanced, 9.2 KΩ Unbalanced
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9.4 KΩ Balanced, 9.2 KΩ Unbalanced
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10 KΩ Balanced or Unbalanced
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Ground Lift
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On/Off
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On/Off
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On/Off
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On/Off
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HPF Bypass
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With Footswitch Only
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With Footswitch Only
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With Footswitch Only
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With Footswitch Only
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Footswitch
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Optional
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Optional
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Optional
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Included
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Indicators
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Power/Standby
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Power/Standby
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Power/Standby
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Power, Protection, Limiter
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Input Connectors
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XLR L/R, 1/4" TRS L/R, RCA L/R, 1/4" Footswitch
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XLR L/R, 1/4" TRS L/R, RCA L/R, 1/4" Footswitch
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XLR L/R, 1/4" TRS L/R, RCA L/R, 1/4" Footswitch
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Balanced XLR for Left & Right inputs
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LFE Input
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N/A
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N/A
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Balanced TRS
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Balanced XLR
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Output Connectors
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XLR L/R, 1/4" TRS L/R, RCA L/R
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XLR L/R, 1/4" TRS L/R, RCA L/R
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XLR L/R, 1/4" TRS L/R, RCA L/R
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Balanced XLR for Left & Right
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AC Power Input
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100VAC-240VAC
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100VAC-240VAC
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Selectable 110V-120V / 220V0240V
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Selectable 110V-120V / 220V0240V
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Enclosure
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15 mm and 18 mm Reinforced MDF
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15 mm and 18 mm Reinforced MDF
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18mm Reinforced MDF
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18mm & 36mm Reinforced MDF
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Finish
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Black Vinyl Wrap, Baffle - Black Paint
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Black Vinyl Wrap, Baffle - Black Paint
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Black Vinyl Wrap, Baffle - Black Paint
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Textured Paint
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Hardware
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EVA Isolation Pad
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EVA Isolation Pad
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EVA Isolation Pad
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N/A
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Dimensions (H x W x D)
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(H x W x D): 11" (279 mm) x 16.125" (410 mm) x 11.5" (292 mm)
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(H x W x D): 13.4375" (341 mm) x 18.875" (479 mm) x 12.1875" (310 mm)
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(H x W x D): 16.375" (416 mm) x 23.875" (606 mm) x 14.375" (365 mm)
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20" (508 mm) X 20" (508 mm) X 22.48" (571mm)
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Weight
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26.5 lb. (12 kg.)
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35 lb. (15.88 kg.)
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62.5 Lb. (28.3 kg.)
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109.7 lb. (49.7 kg)
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