Crown

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Four-channel install amplifier with DriveCore technology, 70V/100V output, and full network control.

$2,557.99*$3,411.00Save 25%
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Crown CDi 4|600 is a four-channel amplifier built on Crown's DriveCore technology, engineered specifically for fixed-installation audio systems. Each output channel independently supports 70V or 100V high-impedance operation, which makes it a natural fit for distributed audio networks in commercial spaces like conference centers, retail stores, restaurants, and houses of worship. The DriveCore platform integrates critical amplifier components into a single efficient chip, reducing both power consumption and heat output — an important advantage when multiple amplifiers are rack-mounted in equipment closets with limited ventilation.

Remote management is a central feature of the CDi 4|600. Through HARMAN's HiQnet Audio Architect software, integrators can control, configure, and monitor every amplifier on the network via standard TCP/IP, streamlining commissioning and ongoing maintenance across multi-zone installations. For sites that use third-party control platforms such as Crestron or AMX, the combined GPIO/aux port enables preset recall, channel muting, fault monitoring, and power cycling without additional software. When hands-on access is needed, the front-panel interface provides complete local configuration. This combination of network flexibility, high-impedance output, and efficient design positions the CDi 4|600 as a practical workhorse for professional audio installations.

Key Features

Each output channel is capable of providing either 70V or 100V for high Impedance applications

Recall presets, mute channels, monitor faults, power on/off the amplifier, and more through a combined GPIO/aux port

Through HARMAN’s HiQnet audio Architect software, The CDI Drive Core can be controlled, configured, and monitored through standard TCP/IQ network

Completely configure the amplifier using an intuitive front-panel interface

Specifications

Brand
Crown
Model
CDi 4|600
Channels
4
High-Impedance Output
70V and 100V per channel
Amplifier Technology
DriveCore
Network Control
HiQnet Audio Architect via TCP/IP
External Control
Combined GPIO/Aux port (preset recall, mute, fault monitoring, power on/off)
Local Control
Front-panel interface
Application
Fixed installation / distributed audio

Pros & Cons

👍 Pros

  • Four independent channels each capable of 70V or 100V output for flexible installation design
  • Network control via HiQnet Audio Architect enables remote monitoring and configuration across large venues
  • GPIO/aux port allows integration with third-party control systems for automated operation
  • Front-panel interface provides full local configuration without requiring a laptop or software
  • DriveCore technology delivers efficient amplification with reduced heat and weight

👎 Cons

  • Designed specifically for fixed installation, not suited for portable or touring applications
  • Network configuration through HiQnet Audio Architect has a learning curve for integrators new to the HARMAN ecosystem
  • Limited product information available makes it harder to evaluate power output per channel at various impedances
  • No built-in DSP details provided, which may require additional outboard processing depending on the application

Frequently Asked Questions

Yes, each of the four output channels can independently provide either 70V or 100V for high-impedance distributed audio applications, making it versatile for various commercial installation scenarios.
It integrates with HARMAN's HiQnet Audio Architect software, allowing full control, configuration, and monitoring over a standard TCP/IP network. You can also use the combined GPIO/aux port to recall presets, mute channels, monitor faults, and power the unit on or off.
Yes, the CDi 4|600 features an intuitive front-panel interface that allows complete configuration directly on the unit without needing external software.
DriveCore is Crown's proprietary amplifier technology that integrates key amplification components onto a single chip, resulting in improved efficiency, reduced weight, and lower heat output compared to traditional amplifier designs.
Yes, the combined GPIO/aux port supports external control integration, enabling preset recall, channel muting, fault monitoring, and power control from third-party systems like Crestron or AMX.