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K-array KU44


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Product Overview

Ultra-thin Line Array Bass Element

The Rumble-KU44 line array bass element is an extremely compact, array-able sub designed to combine with mid-high speakers to provide a full range frequency response with prodigious output in a virtually invisible profile. 

This professional sub is the ideal to extend the low range in small and medium rooms.

This high performance subwoofer is the perfect companion to any of the K-array professional Installed Sound series.


Available in black or white as standard, custom colours available.


Download the latest EASE Focus software here.


  • Broadcast & Studios 
  • Cinemas
  • Corporate/Education auditoriums | Government facilities
  • Hotels 
  • Museums
  • Retail
  • Stadiums | Sport venues
  • Theatres | Concert halls 
  • Theme parks
  • Transport Facilities


  • Ideal for line array configurations
  • 2 x 4” long excursion woofers
  • 2 x 4” passive radiators
  • Double voice coil to allow for selectable impedance (8Ω / 32Ω)
  • Weather resistant, suitable for outdoor installations- IP54


  • Selectable Impedance: The possibility to select a high impedance allows a high number of speakers to be driven with one single amplification channel.
  • Visually Discreet: K-array is always focused on the manufacture of slim, unobtrusive speakers without compromising in any way the sound quality or the strength and durability of its products.
  • Custom Painted: This product is available in custom paint with specific RAL code.
  • Weather Resistant: K-array works to obtain a high water resistance value for all its loudspeakers! Durable materials and focused design ensures excellent resistance to the most extreme weather conditions.
  • Premium Finish: Available in brushed or polished steel finish.


Product Downloads

  • KU44 Data Sheet PDF 0.7 MB
  • KU44 User Guide PDF 0.9 MB
  • KU44 DWG 3D ZIP 0.1 MB
  • KU44 DXF 2D ZIP 0.1 MB
  • KU44 PDF 3D ZIP 0.2 MB
  • KU44 Layout PDF 0.1 MB
  • KU44 3DS 3D ZIP 0.1 MB
  • KU44 EASE Data ZIP 0.1 MB
  • KU44 Architect Specs TXT 0.0 MB


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*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the KU44.