High Output Powered Studio Subwoofer

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Large and powerful nearfield studio monitors require a subwoofer that can achieve high sound pressure levels—and KRK’s 12sHO is a powerful, sonically pure addition to any studio setup. Whether for stereo or surround formats, the 12sHO subwoofer reproduces low-frequency detail as well as the LFE channel’s demanding bass content. These challenging applications place demands far exceeding the capabilities of traditional low frequency drivers and power amplifiers, so KRK developed the 12sHO (HO for “High Output”) as the industry solution for all types of demanding mix situations.


  • 12" Woven Kevlar High Performance Woofer
  • Bass Extension to 29Hz with a Max SPL of 123 dB
  • Quad-vented, Front-firing Bass Port
  • 400W Class A-B Power
  • 92db Signal to noise Ratio
  • Combo XLR-1/4"" TRS Inputs with XLR Outputs
  • Dedicated LFE Channel with Combo XLR-1/4" TRS Input
  • Sweepable Crossover Control
  • Bypass Foot Control included
  • Reinforced MDF Enclosure
Type Active, Front-Firing, Bass-Reflex
Driver 12" (305mm) Excursion Woven Kevlar Cone Woofer with 3" Voice Coil
Frequency Response 29Hz to 60-160Hz
Amplifier Power 400W RMS (116dB)
Filters LP: 60-160Hz Variable
HP: 80Hz Fixed
SPL 113dB Music, 116dB Peak
Connectors 2 x XLR/TRS Combo Inputs (L/R)
1 x XLR/TRS Combo LFE Input
2 x XLR Outputs (L/R)
1 x 1/4" Bypass Jack
1 x AC Power Input
Input Gain LFE: +10dBu Fixed
Input Sensitivity Mute/+6/-8dBu
Indicators 1 x Yellow LED Power Indicator (Logo Triangle)
Phase Adjustable, 0/180° Polarity Switch
Ground Loop Isolation Ground-Lift Switch
Limiter Yes, On/Off Switchable
Dimensions (HxWxD) 20 x 20 x 22.48" (508 x 508 x 571mm)
Weight 109.7 lbs (49.7kg)
Packaging Info
Package Weight 124.85 lb
Box Dimensions (LxWxH) 27.5 x 27.5 x 26.25"
More Information
Price $1,999.00
Vendor Item Number KRK12S-HO
Special Order 1
Coming Qty 0
Manufacturer KRK Systems
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