The largest in K-array’s Rumble subwoofer line, the KU212 is comprised of a 12" neodymium transducer combined with a 12" passive transducer. Measuring at 33 x 65.5 x 20 cm and weighing 18 kg, the sub's frame has a shallow depth and performs at high power. Designed as the perfect companion to the K-array’s Installed Sound speakers, the Rumble-KU212 an ideal solution for complex medium and large-format projects like clubs, lounges and live concerts. KA series amplifiers have presets specifically optimized for KU212 applications.


Stainless steel passive subwoofers



  • Type:  

    Passive subwoofer

  • Transducers:  

    12" neodymium magnet woofer
    12" passive radiator

  • Frequency Response:  

    35 Hz – 150 Hz (-6 dB)

  • Max SPL:  

    130 dB (peak)

  • Rated Power:  

    700 W

  • Coverage:  


  • Connectors:  

    4PIN euroblock connector (included)

  • Nominal Impedance:  

    4 Ω / 16 Ω selectable

Handling and Finishes

  • Dimensions (W x H x D):  

    655 x 330 x 200 mm (25.8 x 13.0 x 7.9 in) 

  • Weight:  

    18.5 kg (40.8 lb)

  • Material:  

    Stainless Steel

  • Colors:  

    Black, White, Custom RAL

  • Finishes:  

    24K Gold, Polished, Brushed


  • IP Rating:  


  • (1) With dedicated preset
  • (2) Maximum SPL is calculated using a signal with crest factor 4 (12dB) measured at 1 m.
  • (3) Removable rubber feet not included.
  • (4) More complete water protection with K-KUIP12 accessory.
  • Passive loudspeakers requires dedicated preset loaded on board of K-array amplifiers.

  • New materials and design are introduced into existing products without previous notice.


BIM: KU212

files in Revit

CE Declaration of Conformity

KU212 Datasheet

Ver. 2.0

KU212 DXF 2D

Ver. 4.0

KU212 Layout

Ver. 1.1

KU212 DWG 3D

Ver. 2.0

KU212 PDF 3D

Ver. 3.0

KU212 3DS 3D

Ver. 1.0

KU212 Architect Specs

Ver. 2.0

Amp-to-Speakers Table

Ver. 2.1


Ver. 3.0

KU212 User Guide

Ver. 1.0

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