The Kommander-KA04 is a fully featured 4x150W@4Ω class-D amplifier with a high-performing DSP, the Integrated Electronic Brain (IEB) with osKar custom operating system running on quad-core 1.5 GHz internal processor. 

The Kommander-KA04 offers pristine sound and complete control over the connected loudspeakers, either as a stand alone driving unit and in conjunction with other K-array amplifiers in complex and demanding applications. Furthermore the Oscar operative system implements REST API for easy integration with third-party remote control systems. 

The dedicated K-array Connect mobile app provides a user friendly interface for remote control of the DSP main parameters and easy configuration of the signal routing. 

K-framework3 is the managing and control software dedicated to professionals and operators looking for a powerful tool for loudspeakers system design and tuning of large a number of units over a wired LAN.



  • Type:  

    4ch switching mode, Class D Amplifier

  • Output Power:  

    4x 150 W @ 4 Ω

  • Impedance:  

    minimum 4 Ω 

  • Frequency Response:  

    20 Hz – 20 kHz (±1 dB)

  • Connectors:  

    4x BAL input: Euroblock 1.5/ 3-ST-3.81, 
    3.5 mm jack unBAL analog stereo AUX input,
    TOSLINK optical input,

    2x Euroblock 2,5/ 4-G-5,08

    4x USB-A 2.0,
    1x RJ45 Ethernet,
    Bluetooth 4.1 Low Energy, 
    Wi-Fi IEEE 802.11 b/g/n

    1x PowerCon TRUE IN

  • Built-in DSP:  

    Grouping, Input EQ, Output EQ, Signal Routing, Level adjustment, Dynamic Limiters, Delay

  • Remote Control:  

    Wi-Fi dedicated K-array Connect mobile app. Ethernet wired K-framework3 multiplatform design and tuning software

  • MAIN Operating Range:  

    100-240V ~ AC, 50-60 Hz with PFC

  • Power Consumption:  

    150 W @ 4 Ω load, Pink noise, 1/8 rated power

  • Protections:  

    Over Temp. (Power Limiting – Thermal Shutdown), Short Circuit/Overload Output Protection, Power Limiting, Clip Limiter/Permanent Signal Limiter, High Frequency Protection

Handling and Finishes

  • IP Rating:  


  • Dimensions (W x H x D):  

    219 x 45,5 x 170 mm (8.6 x 1.8 x 6.7 in)

  • Weight:  

    0.7 kg (1.5 lb)

  • Material:  



Integrating K-array's latest electronics with any Control4 system has become easy: download and install the dedicated pluging on your Control4 device, allow it to recall different K-array product presets and manage the output levels of all the connected K-array technologies.

AMX by Harman
AMX by Harman

K-array's latest electronics can be easily controlled by AMX modules as well now.  Download and install the dedicated plugin on your AMX control device to recall different K-array product presets, change the in-out matrix settings and manage the output levels of all the connected K-array devices straight from your control system.

Crestron Home
Crestron Home

Make K-array ultra-sleek and unique products get along with your Crestron Home Control System. Finally, the perfect combination of discreet elegance and powerful high-quality sound meets cutting-edge automation in the same system. K-array has developed its own plug-in to install onto your Crestron Home electronics in order to control the media player and sound levels of the K-array amps connected to your system. 


The plug-in that gives your Crestron Electronics full control on K-array amps is finally out there! Download and install it, then get ready to have full management of the output levels, on/off switching, integrated media player, source selection and mute mode on each in/out channel of all your K-array amps connected to your systems. 


To easily integrate K-array's latest electronics with any Q-SYS configuration, download and install the dedicated pluging on your Q-SYS control device to allow it to recall different K-array product presets, change the in-out matrix settings and manage the output levels of all the connected K-array devices.

Dante Ready
Dante Ready

K-array's Dante Ready, a licensing program by Audinate, lets users activate as many Dante audio channels as needed in-field. To activate, connect your K-array device to the internet and run the Dante Activator function in the Dante Controller, which identifies eligible products and applies purchases instantly. 

Download the Dante Controller for free!


Kommander-KA04 Datasheet

Kommander-KA04 User Guide

Amp-to-speaker matching table


CRESTRON plug-in

Q-SYS Plug-in

Rev 1.0.0

Control4 Plug-in KA

osKar System Update 1.7.8

WEB APP Quick Start Guide

Dante Ready Activation Guide

Ver 0.2


KFramework3 v2.0.9 Osx

Ver. 2.0.9

KFramework3 v2.0.9 Windows

Ver. 2.0.9

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