The Crown Audio CDi 4000 Power Amplifier is engineered for installed sound applications, providing accurate and uncolored sound reproduction with minimal distortion. This robust amplifier features a dual-channel output, each capable of delivering 1200 watts at 4 ohms, making it ideal for both music and voice applications. The onboard digital signal processing includes crossovers, EQ filters, delay, and output limiting, ensuring optimal sound quality. An intuitive front-panel LCD screen allows for quick and easy configuration, while the amplifier supports a variety of connectivity options including balanced audio inputs and USB. With a frequency response range of 20 Hz to 20 kHz and a total harmonic distortion of less than 0.05%, the CDi 4000 is a reliable choice for any professional audio setup.