K-Array Kommander KA18 – 8-Channel Multi-Zone Amplifier with DSP

Product Overview

The K-Array Kommander KA18 is an 8-channel install amplifier with DSP that delivers 150 watts per channel into 4 ohms from a single 2U rack chassis, purpose-built for rack-mount DSP amplification in commercial installations. As a multi-zone Class D amplifier, it powers up to eight independent zones or loudspeaker feeds while its onboard processing handles EQ, routing, limiting, and delay without an external processor. Eight balanced XLR inputs, terminal block speaker outputs, and Ethernet plus Wi-Fi remote control make it a practical backbone for distributed audio in commercial buildings. It is the channel-dense, lower-power member of the Kommander line for K-array passive loudspeaker systems.

Product Description

The KA18 combines an eight-channel switching-mode Class D output section with K-array's full DSP feature set: channel grouping, a 3-band fully parametric input EQ, 8-band parametric output filters, dynamic limiters, a freely assignable input-to-output routing matrix with level adjustment, and up to 115 ms of channel delay. The routing matrix is particularly useful in multi-zone work, letting integrators map any input to any combination of the eight outputs with independent processing per zone. Processing runs on K-array's Integrated Electronic Brain with the osKar operating system on a quad-core 1.5 GHz processor, and a REST API enables third-party control system integration.

Management runs through the K-array Connect mobile app over built-in Wi-Fi for quick onsite adjustments, or through K-framework3 desktop software over wired Ethernet for design, tuning, and supervision of multiple amplifiers on one LAN. The stainless steel 2U chassis weighs just 7 kg, and the universal 100-240V supply with PFC and PowerCon TRUE power linking simplifies rack power distribution in commercial deployment. If your zones need more power per channel, step up to the Kommander KA34 4x750W amplifier or the 8-channel Kommander KA208, and browse the full K-array collection at Creation Networks.

Key Features

• Eight Independent Channels — Eight Class D channels rated 150W each at 4 ohms power up to eight zones or loudspeaker feeds from one 2U rack unit.
• Multi-Zone Routing Matrix — A freely assignable input-to-output matrix with per-path level control maps any source to any zone without external routing hardware.
• Complete Onboard DSP — Channel grouping, parametric input and output EQ, dynamic limiters, and up to 115 ms of delay remove the external processor from most installation designs.
• K-array Loudspeaker Integration — The amplifier is engineered for K-array passive lines, with the published amp-to-speaker matching table guiding channel loading for compact line elements and point sources.
• Ethernet and Wi-Fi Control — The K-array Connect app manages the unit wirelessly while K-framework3 software handles wired LAN design and tuning across many amplifiers.
• REST API for Control Systems — A documented REST API plus published plugins support integration with Q-SYS, Crestron, Control4, Symetrix, RTI, Kramer, and Savant platforms.
• Quad-Core Processing Engine — The Integrated Electronic Brain runs the osKar operating system on a quad-core 1.5 GHz processor for responsive onboard signal management.
• Install-Grade Connectivity — Eight balanced XLR-F inputs and four PC 4/4-ST-7.62 terminal block speaker outputs keep multi-zone rack wiring organized and serviceable.
• Full Protection Suite — Thermal, output short circuit, RMS output current, high-frequency, power limiter, and clip limiter protections safeguard the amplifier and connected loudspeakers.
• Lightweight Stainless Chassis — At 7 kg (15.4 lb) in stainless steel, the 2U unit installs easily in equipment rooms, credenzas, and space-limited racks.

Typical Applications

• Boardroom
• Conference room
• Huddle room
• House of worship
• Government space
• Commercial meeting space
• Multi-purpose room
• Training room

Technical Specifications

How It Compares

Frequently Asked Questions

Which K-array loudspeakers pair with the KA18?

The KA18's 150W channels suit K-array compact passive products such as Vyper and Kobra line elements and small point sources. K-array publishes an amp-to-speaker matching table for channel loading, and Creation Networks can help you map zones to the right loudspeakers.

When should I choose the KA18 over the KA34?

Choose the KA18 when your project needs more zones at moderate power, such as distributed audio across several meeting rooms. Choose the Kommander KA34 when fewer channels need substantially more power, such as larger line arrays or subwoofers.

What does rack installation require?

The amplifier occupies 2U in a standard 19-inch rack, measures 430 mm deep, and weighs 7 kg. PowerCon TRUE power linking chains mains across adjacent Kommander units, reducing power distribution hardware in multi-amplifier racks.

Can the KA18 integrate with my control system?

Yes. K-array publishes control plugins for Q-SYS, Crestron, Crestron Home, Control4, Symetrix, RTI, Kramer Control, and Savant, and the onboard REST API supports custom third-party integration over Ethernet or Wi-Fi.

Can one KA18 run eight separate zones?

Yes. Each of the eight channels can carry independent program material through the assignable routing matrix, with per-zone EQ, level, limiting, and delay handled by the onboard DSP.

What warranty and support come with this amplifier?

K-array provides a 5-year manufacturer warranty. As an authorized dealer, Creation Networks backs your purchase with commercial AV design assistance and post-sale technical support.