KRK 12S-HO Studio Monitor Subwoofer 12 Inch

Features:
Curved Baffle Curved front plate design virtually eliminates diffraction distortion
Front-firing Port provides low frequency extension while reducing boundary coupling and the unique shape is optimized to avoid port turbulence
Bypass Footswitch Control allows you to defeat the sub and provide full range audio to your recording monitors for use with a standard latching 1/4 inch mono footswitch
Kevlar 12″ Driver – High Excursion woven Kevlar driver cone
Thermal and Overload / Clip Protection to prevent damage
Input Sensitivity on rear of unit allows a high resolution gain range, labeled are positions for MUTE, +6dBu and -8dBu

Specifications:
Configuration:Front loaded, vented subwoofer
System type:Active Subwoofer
Low-Frequency:12″ woven Kevlar High Performance woofer
Frequency Response:

29.2Hz – 60Hz – 160Hz (L/R inputs), 29.1Hz – 211Hz (LFE input)

Max Peak SPL:123 dB
Amplifier Class:Class A-B
Power Output:400 Watts Continuous @ 1% THD+N @ 100Hz
SNR (signal to Noise Ratio):92dB
Amplifier Distortion (THD+N): ≤ 0.1% @-3dB of Max Power Output 20Hz – 200Hz
Input Impedance (Ohms):10 kΩ Balanced or unbalanced
Ground Lift:On / Off
Low Pass Frequency:60Hz to 160Hz
HPF bypass:with footswitch only
Footswitch:Included
Phase:Rotatable Phase + Polarity Switch
System Volume:-30dB to +6dB
Indicators:Power, protection, limiter
Input Connectors:

Balanced XLR for Left and Right Inputs

LFE input:Balanced XLR
Output Connectors:

Stereo Balanced XLR for left and right, full range with foot switch engaged, 80Hz HP without foot switch engaged.

AC Power Input: Selectable 110V-120V / 220V-240V
Enclosure Construction: 18mm and 36mm reinforced MDF
Finish: Textured Paint
Port Configuration: Front Firing Quad Concentric Slot Ports
Finish: Textured Paint
Grille: N/A
Dimensions (H x W x D): 20″ (508 mm) x 20″ (508 mm) x 22.48″ (571mm)
Weight: 109.7 Lbs. (49.7 Kg.)