12sHO

High Output Powered Studio Subwoofer

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.

KRK Subwoofers

Plays well with others

Dedicated crossover and optional High-pass filter bypass means that our subwoofers are the perfect compliment to powered monitors. From mixing and mastering to sound design, broadcast and production work – KRK has you covered.

12sHO Features

• 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

bwoofers Compared	8s	10s	12s	12sHO
Configuration	Front Loaded, Vented Subwoofer	Front Loaded, Vented Subwoofer	Front Loaded, Vented Subwoofer	Front Loaded, Vented Subwoofer
System Type	Active Subwoofer	Active Subwoofer	Active Subwoofer	Active Subwoofer
Low-Frequency	8″ Glass Aramid Composite Woofer	10″ Glass Aramid Composite Woofer	12″ Woven Kevlar® Woofer	12″ Woven Kevlar® High Performance Woofer
Frequency Response	35Hz – 133Hz	34Hz – 130Hz	32Hz – 139Hz	29.2Hz – 160Hz (L/R inputs), 29.1Hz – 211Hz (LFE input)
Max Peak SPL	112.8 dB	117.2 dB	119.9 dB	123 dB
Amplifier	Class D	Class D	Class D	Class A/B
Power Output (Continous)	109 Watts @ 1% THD+N @ 46Hz	160 Watts @ 1% THD+N @ 44Hz	220 Watts @ 1% THD+N @ 44Hz	400 Watts @ 1% THD+N @ 100Hz
Signal to Noise Ratio	92 dB	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	≤ 0.1% @-3dB Of Max Power Output 20Hz-200Hz
Input Impedance	9.4 KΩ Balanced, 9.2 KΩ Unbalanced	9.4 KΩ Balanced, 9.2 KΩ Unbalanced	9.4 KΩ Balanced, 9.2 KΩ Unbalanced	10 KΩ Balanced or Unbalanced
Ground Lift	On/Off	On/Off	On/Off	On/Off
Low Pass Frequency	30Hz-205Hz	28Hz-156Hz	26Hz-130Hz	60Hz-160Hz
HPF Bypass	With Footswitch Only	With Footswitch Only	With Footswitch Only	With Footswitch Only
Footswitch	Optional	Optional	Optional	Included
Phase	0 or 180 Degrees	0 or 180 Degrees	0 or 180 Degrees	Rotatable Phase + Polarity Switch
System Volume	-30 dB to +6 dB	-30 dB to +6 dB	-30 dB to +6 dB	-30 dB to +6 dB
Indicators	Power/Standby, Sub On/Mute, HPF Bypass	Power/Standby, Sub On/Mute, HPF Bypass	Power/Standby, Sub On/Mute, HPF Bypass	Power, Protection, Limiter
Input Connectors	XLR L/R, 1/4″ TRS L/R, RCA L/R, 1/4″ Footswitch	XLR L/R, 1/4″ TRS L/R, RCA L/R, 1/4″ Footswitch	XLR L/R, 1/4″ TRS L/R, RCA L/R, 1/4″ Footswitch	Balanced XLR for Left & Right inputs
LFE Input	N/A	N/A	Balanced TRS	Balanced XLR
Output Connectors	XLR L/R, 1/4″ TRS L/R, RCA L/R	XLR L/R, 1/4″ TRS L/R, RCA L/R	XLR L/R, 1/4″ TRS L/R, RCA L/R	Balanced XLR for Left & Right
AC Power Input	100VAC-240VAC	100VAC-240VAC	Selectable 110V-120V / 220V0240V	Selectable 110V-120V / 220V0240V
Enclosure	15mm Reinforced MDF	15mm Reinforced MDF	18mm Reinforced MDF	18mm & 36mm Reinforced MDF
Finish	Black Vinyl Wrap	Black Vinyl Wrap	Black Vinyl Wrap	Textured Paint
Grill	Steel Perf	Steel Perf	Steel Perf	N/A
Dimensions (H x W x D)	13.3″ (339mm) X 11.57″ (294mm) X 14.25″ (362mm)	15″ (382mm) X 14″ (355mm) X 16.06″ (408mm)	18.11″ (460mm) X 15.94″ (405mm) X 22.64″ (575mm)	20″ (508 mm) X 20″ (508 mm) X 22.48″ (571mm)
Weight	26.01 lb. (11.8 kg)	34.5 lb. (15.6 kg)	66.5 lb. (30.1 kg)	109.7 lb. (49.7 kg)