The Denon AVC-A1 is a high-end AV surround amplifier produced by Denon. It features a powerful amplifier section and supports Dolby Digital, DTS, and other advanced audio formats. The AVC-A1 is known for its superior sound quality and versatility in terms of connectivity and functionality. It offers multiple HDMI inputs and outputs, as well as various analog and digital audio inputs. The amplifier also includes advanced features like room calibration and equalization to optimize audio performance based on the listening environment. It is designed to deliver immersive and high-fidelity audio for home theater enthusiasts.