Crown CDi 4|300BL - 300W 4-Channel Analog Input with BLU Link 70V/100V Power Amplifier

The Crown CDi 4|300BL is a highly reliable 4-channel analog input amplifier with BLU Link, providing 300W per channel. It is designed specifically for small to medium-sized installations, making it ideal for applications such as restaurants, retail stores, and other similar venues. As part of Crown's CDi DriveCore Series, this amplifier offers a powerful combination of high-performance audio, advanced features, and competitive pricing, making it an excellent choice for professional audio installations. The CDi 4|300BL uses Crown's proprietary DriveCore technology, which reduces component variability and enhances reliability while delivering exceptional audio fidelity.

The CDi 4|300BL features BLU Link integration, which allows for seamless connectivity with HARMAN's 256-channel fault-tolerant digital audio bus. This functionality enables the amplifier to both send and receive channels over the BLU Link network, making it perfect for networked audio systems in professional environments. This amplifier is capable of directly driving high-impedance speaker loads (70V/100V) without the need for transformers, offering increased flexibility for distributed audio systems and other high-impedance applications.

The amplifier includes a network control and monitoring feature that works with Harman's HiQnet Audio Architect software, allowing for easy configuration and management over a TCP/IQ network. This makes it possible to control and monitor the amplifier remotely, simplifying setup and reducing maintenance time. The CDi 4|300BL also comes pre-loaded with JBL speaker tunings, ensuring that JBL speakers are optimized for performance, further streamlining the installation process and delivering exceptional sound quality.

At the heart of the CDi 4|300BL is an advanced Digital Signal Processor (DSP), which provides an array of customizable audio features. The DSP includes features such as an input router, input delay (up to 1000ms), 8-band parametric EQ on both inputs and outputs, crossovers, output delay (up to 100ms), and LevelMAX limiting. These DSP features ensure that audio signals are precisely tailored for the venue, providing optimal sound quality and speaker protection.

The CDi 4|300BL delivers 300W of output power per channel at 4 and 8 ohms, as well as in 70V and 100V configurations, making it suitable for a variety of speaker setups. In bridge mono mode, the amplifier provides 600W of output power, offering additional flexibility for more demanding applications. This makes the CDi 4|300BL versatile enough to handle a wide range of professional audio environments.

The amplifier is equipped with an intuitive front-panel interface, allowing for complete configuration on-site without the need for additional software. This user-friendly interface makes real-time adjustments quick and easy, ensuring that installers can make necessary changes efficiently. The GPIO/AUX port further enhances the amplifier's flexibility by allowing users to recall presets, mute channels, monitor faults, and control power remotely, making it adaptable to various operational needs.

For efficient cooling, the CDi 4|300BL utilizes a continuously variable speed forced-air cooling system with front-to-back airflow, ensuring the amplifier remains cool even during extended operation in demanding environments. Despite its robust power output, the amplifier operates quietly, with a maximum fan noise level of just 51dBA, making it suitable for quieter environments such as restaurants and retail spaces.

The Crown CDi 4|300BL is built to last, with a durable design that protects against component variability, voltage spikes, and thermal overloads, ensuring reliable performance over time. It is powered by a universal AC mains input (100V-240V, 50/60Hz), making it compatible with installations around the world. Its compact and lightweight chassis, with dimensions of 19 x 13.55 x 3.5 inches and a weight of 16.13 lbs, fits easily into standard 19-inch equipment racks, making it simple to integrate into existing systems.

Features

• 300W per channel at 4/8 ohms or 70V/100V, ideal for small/medium-sized installations
• BLU Link integration for seamless connectivity with HARMAN's 256-channel digital audio network
• Advanced DSP with 8-band input/output parametric EQ, crossovers, delays, and LevelMAX limiter
• Network control and monitoring via Harman's HiQnet Audio Architect software
• User-friendly front-panel interface for easy on-site setup and configuration
• GPIO/AUX port for external control, preset recall, muting, and amplifier power management
• Pre-loaded JBL speaker tunings for faster installation and optimized performance
• Direct drive 70V/100V output for high-impedance systems without the need for transformers
• Efficient forced-air cooling system with quiet operation at 51dBA
• Universal power supply (100-240V) for global installations
• Compact and lightweight design (19 x 13.55 x 3.5 inches, 16.13 lbs) for easy rack integration

Specifications

• Output Power (Dual Mode): 150W (2 Ohm), 300W (4 Ohm), 300W (8 Ohm), 150W (16 Ohm), 300W (70Vrms), 300W (100Vrms)
• Output Power (Bridge Mono Mode): 300W (4 Ohm), 600W (8 Ohm), 600W (16 Ohm), 600W (140Vrms), 600W (200Vrms)
• Digital Signal Processing: 96kHz, 32-bit floating point
• Voltage Gain: 34dB
• Frequency Response: +/-0.5dB
• BLU Link Signal-to-Noise Ratio: >108dB
• Total Harmonic Distortion: 0.35%
• Intermodulation Distortion: ≤0.35%
• Damping Factor: >1000
• Crosstalk: >80dB
• Common Mode Rejection: >70dB
• DC Output Offset: ±10mV
• Input Impedance: 20 kOhm balanced, 10 kOhm unbalanced
• Maximum Input Level: +20dBU
• Required AC Mains: 100V-240V, 50/60Hz
• Cooling: Continuously variable speed forced air, front-to-back airflow
• Power Supply Connector: Standard IEC type 320 inlet for detachable connector 100-240V
• Load Impedance (Stereo/Dual Mode): 2 Ohm to 16 Ohm; 70Vrms and 100Vrms
• Load Impedance (Bridge Mono): 4 Ohm to 16 Ohm; 140Vrms and 200Vrms
• Maximum Fan Noise: 51dBA
• Weight: 16.13 lbs
• Dimensions: 19 x 13.55 x 3.5 inches