Dayton Audio A400 Stereo Amplifier

The Dayton Audio A400 Stereo Amplifier delivers clean, powerful sound to your home audio system, combining robust engineering with exceptional sonic clarity. Designed for audiophiles and home cinema enthusiasts alike, this amplifier is ideally suited for driving high-quality passive speakers in stereo setups, whether for critical music listening, immersive film soundtracks, or as the heart of a dedicated two-channel system. Its flexible connectivity also makes it an excellent choice for integrating into professional or semi-professional audio environments where balanced signals are preferred.

At the core of the A400 lies a Class AB amplifier stage, renowned for its ability to combine the efficiency of Class B with the low distortion characteristics of Class A, ensuring faithful reproduction across the entire frequency range from 20Hz to 20kHz. The amplifier offers both RCA and XLR inputs, providing versatile connectivity with a wide array of source components. With a signal-to-noise ratio of 1 (indicating excellent noise performance) and an input sensitivity of 470 mV, it responds accurately to delicate signals. The unit is capable of delivering a bridged RMS power output of 500 watts into a minimum 4-ohm load, offering substantial headroom for dynamic peaks. Housed in a substantial chassis measuring 443.7 x 433.4 x 151.8 mm and requiring a 220 V power supply, the A400 is built for stable, long-term performance, making it a reliable cornerstone for any serious audio system.