d&b Audiotechnik D40 Amplifier

The d&b Audiotechnik D40 is a high-performance four-channel amplifier designed to power d&b speaker systems with exceptional efficiency, clarity, and reliability. This amplifier is part of d&b’s latest generation of advanced system integration tools, delivering 40D power while maintaining a compact and lightweight design. It provides up to 4,000 watts of power across four channels, ensuring ample headroom and optimal performance for various applications, from touring productions to fixed installations. With its state-of-the-art digital signal processing (DSP) and integrated system management, the D40 enhances both the efficiency and sonic performance of d&b loudspeakers. The amplifier features a modern, intuitive user interface with a high-resolution color display, rotary encoders, and tactile buttons, allowing for seamless control and monitoring.

A standout feature of the D40 is its high-resolution 96 kHz signal processing, which ensures pristine audio quality while maintaining the integrity of the original signal. It supports d&b’s proprietary functionalities, including ArrayProcessing, which optimizes system response for even coverage, and LoadMatch, which compensates for speaker cable impedance variations to maintain consistent frequency response. The amplifier also integrates d&b’s advanced delay and equalization options, enabling precise system tuning. It offers flexible input and output configurations, including analog and AES digital inputs, ensuring compatibility with a range of professional audio setups. Additionally, the D40 is fully network-compatible, allowing remote monitoring and configuration through d&b’s R1 Remote control software, providing engineers with real-time control over the system.

Efficiency is a key focus of the D40, incorporating Class D amplifier technology and an innovative power supply that minimizes energy consumption while delivering high output. Its robust heat management system ensures consistent operation, even in demanding environments, while built-in protection features—including overcurrent, thermal, and short-circuit protection—help maintain long-term reliability. The amplifier is housed in a durable 2U chassis that is both lightweight and rugged, making it easy to integrate into touring racks or permanent installations. It is also equipped with Power Factor Correction (PFC), ensuring stable operation even when running on unstable power sources.

In summary, the d&b Audiotechnik D40 amplifier is a cutting-edge solution for powering d&b loudspeaker systems, offering superior audio quality, intelligent DSP features, and energy-efficient performance. Its combination of high power output, flexible connectivity, and advanced control options make it an essential tool for professional sound reinforcement applications, whether in live concerts, theaters, or large-scale installations. With its reliable performance and user-friendly design, the D40 ensures that every d&b system operates at its full potential.