Audyssey Dynamic Volume senses the impending arrival of very loud sounds and automatically reduces the difference between normal and extra-loud programming.Audyssey Dynamic EQ automatically adjusts subwoofer and surround speaker levels for maximum performance at any playback volume.Audyssey LFC (Low Frequency Containment) processing provides a full range tonal balance for late-night listening that minimizes deep bass content from intruding into adjacent rooms or spaces.

The newly designed rear panel features logically arranged blocks of connector groups, and includes horizontally arranged speaker binding posts with a “12 o’clock” speaker wire input orientation, and the speaker connectors can accept multiple termination types.

For further ease of installation, the speaker connectors are color-coded, and the supplied color-coded speaker wire labels will ensure proper connections the very first time.

The AVR-X4000 is also Audyssey Pro Installer ready.

Audyssey Mult EQ XT32 automatic room acoustic measurement and correction harnesses the power of sophisticated DSP processing, measuring the acoustic output of the speakers and subwoofers and generating multiple digital EQ filters that provide the smoothest, most natural tonal balance in virtually any room.

With HD Radio, AM sounds like FM, and FM sounds like CD.

Breathe new life into your favorite MP3 tracks with Denon’s Compressed Audio Restorer feature, which analyzes compressed MP3 tracks and actually restores important music detail for a higher fidelity listening experience.

The power cord is detachable, which provides additional installation flexibility.

Equipped with Apple’s Air Play function, the AVR-X4000 lets you stream your favorite tracks from your i Pod touch, i Phone and i Pad via your home network.

The powerful video processor section features high resolution upconversion that transforms standard definition (SD) video content to high definition (HD), and provides upscaling of 1080p HD to 4K Ultra HD (3840x2160 pixels) for compatibility with the latest high resolution displays, along with 3D pass-through.

The Insta Prevue function lets you view multiple windows for all of the connected HDMI sources, letting you pick your favorite content at the touch of a button.

Enjoy a world of digital radio entertainment with HD Radio.