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K-Array KR402
2000W Redline Ultra-Light Powered Stereo System

OUR PART #:  KR402

The K-array Research and Development, Engineering and Manufacturing divisions have developed the KR402 integrated, self-powered speaker system...
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The K-array Research and Development, Engineering and Manufacturing divisions have developed the KR402 integrated, self-powered speaker system, featuring Mid- Hi line array elements matched to powered Subwoofers.

The system features two channels of class D amplification, housed in the sub-woofer. The rear panel provides input for a balanced line signal, a balanced microphone signal with phantom power, and digital signals in AES/EBU protocol, also on an XLR for ease of cabling. An integrated touch screen provides intuitive managing and editing of powerful DSP controlling: Input and output levels, internally generated test signal, In/Out routing, subwoofer delay (up to 12 ms.), speakon output to the Mid-H element with delay (up to 12 ms.), and overall system delay (up to 330 ms.) All DSP functions, including EQ can be controlled with remote managing software via USB or RS485, again, conveniently on a standard XLR.

There are 40 different DSP presets, specifically made by K-array to optimize the systems’ performance for the variety of device configuration available. In addition the user can also create, save, and store his/her own personal presets on the module. The unique four-corner port configuration gives symmetrical back loading to the sub speaker for extended bass response with very low distortion. This also gives incredible structural strength to the cabinet despite its light weight. Pocket handles in the sub and an M20 thread mount position for attaching mid-high speakers, with a variety of mounting and rigging hardware options make the latest additions to the K-array Redline Series very versatile in almost any application and in every type of venue. KR402 features a pair of KMT21 (21”) subs each with 2 channels of 2,000 Watts matched to two KP102 Mid-High arrays. A coupling assembly allows the speakers to be mounted side-by-side, giving the ability to vary the vertical dispersion pattern for narrow to wide coverage. All Redline systems are designed by the K-array R&D department and custom-made under the K-array quality control system.


  • Unique performance-to-size ratio
  • High power 132 dB continuos, 138 dB peak
  • Fitted with integral handles
  • Line array emission wavefront
  • DSP on-board with dedicated presets
  • Ultra fast set-up and dismantling system
  • Analog and digital AES-EBU inputs
  • RS485 and USB connectivity for remote control


  • Concert halls
  • Theatrical sound reinforcement
  • Houses of worship
  • Clubs
  • A/V systems
  • Cinema and special effects

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