About the Harman Kardon AVR 7550HD
Harman Kardon was the first company to announce the inclusion of Dolby® Volume technology in an audio/video receiver. The new Harman Kardon® AVR 7550HD A/V receiver is a state-of-the-art home entertainment component that incorporates a host of industry leading innovations, including Dolby Volume, which improves the listening experience by leveling the volume from any source and program material, while maintaining optimum sound quality at any listening level.

The 7.2-channel Harman Kardon AVR 7550HD is the brand’s new top-of-the-line A/V receiver. In addition to Dolby Volume, the AVR 7550HD offers a wealth of leading-edge features and technologies, including:
Dolby TrueHD lossless technology developed for high-definition media
HDMI™ 1.3a functionality
1080p upscaling
An exclusive HD full-color graphical on-screen menu
Power output of 7 x 110 watts into 8 ohms
It offers the ultimate in audio and video quality, home-entertainment system flexibility, and ease of use—as well as striking, distinctively elegant styling.
Visit Harman Kardon's website for more information on the Harman Kardon AVR 7550HD 7.2-channel audio/video receiver.
About Dolby Volume
Dolby Volume is an innovative approach to delivering consistent volume levels across a wide variety of content, channel programming, or input sources. Using a psychoacoustic model of human hearing, Dolby Volume analyzes, measures, and controls perceived volume levels. Dolby Volume complements Dolby's range of audio technologies, including Dolby Digital, Dolby Digital Plus, and Dolby TrueHD.
To find out more about Dolby Volume:
Learn how Dolby Volume works.
Experience the Dolby Volume demo.