Audyssey: your system’s built-in tuner
Most Denon AV receivers ship with Audyssey room correction built in, which means your system can be optimized from the moment setup is complete. Using the included measurement microphone connected directly to the receiver, the Denon Setup Assistant walks you through placing the microphone at your primary listening position and several surrounding positions, “listening” to how each speaker actually sounds in your room. Audyssey processes those measurements and applies corrections automatically.
The tools included with your AVR depend on the model. Let’s look at our newest X-Series models as an example:
The AVR-X2900H includes a suite of Audyssey tools built around MultEQ XT, which takes acoustic measurements at up to eight positions in the room to build a profile that benefits a wider listening area rather than a single seat. MultEQ XT automatically detects your connected speakers, handles crossover and timing calculations, matches channel levels, and smooths out room-induced anomalies like muddy bass and harsh wall reflections. Working alongside it are two features that refine everyday playback. Dynamic EQ maintains proper tonal balance, bass response, and dialogue clarity even as volume decreases, compensating for the way human hearing naturally becomes less sensitive to bass and treble at lower volume levels. Dynamic Volume tames the loudness jumps that drive everyone crazy, like the commercial that comes in way louder than your show, or the explosion that sends you diving for the remote after you cranked it up to catch a line of whispered dialogue.
The AVR-X3900H steps up to a fuller suite built around Audyssey MultEQ XT32, which gives the receiver more correction filters to work with, concentrated where rooms tend to need them most: the low frequencies. More filters mean finer adjustments, so the same speakers in the same room will generally sound smoother and more refined on the X3900H.
The companion features carry over and expand. Dynamic EQ works in tandem with MultEQ XT32 to maintain well-balanced sound for every listener at any volume level, and Dynamic Volume manages large variations between programs, commercials, and the loud and quiet passages of films, with Dynamic EQ integrated so that bass response, tonal balance, surround impression, and dialogue clarity stay consistent. Two additions round out the suite. Sub EQ HT independently measures and calibrates up to four subwoofers, correcting level and delay differences between them so they work together for even bass across your seating area. And Audyssey LFC (Low Frequency Containment) dynamically monitors audio content and reduces the low-frequency energy that would otherwise travel through walls, floors, and ceilings, then applies psychoacoustic processing to restore the perception of bass for listeners in the room.
No matter which model you own, there are three ways to dial in your correction. The simplest is to let the receiver handle it: Run the Setup Assistant, and Audyssey measures, calculates, and applies its corrections automatically. For most listeners, that’s all they’ll ever need. If you want a say in the result, the Audyssey MultEQ Editor app for iOS and Android lets you shape the correction to taste, dialing a little more bass, for example, or easing off bright highs. And for enthusiasts who want to get truly granular, the MultEQ-X PC software (for Windows) adds direct access to correction curves, detailed measurement data, and custom target curves.
In every case, you’re telling the system the result you want, and the receiver uses whatever filters it has available to get as close as it can, meaning the more capable the receiver, the nearer it will land to your target.