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Denon AVR-S660H AV Receiver

The Denon AVR-S660H was designed with 4K & 8K set-ups in mind. This powerful AV receiver meets all the latest HDMI specifications and delivers a full surround sound experience. Superior sound and visuals don't have to break the bank and Denon have demonstrated that fact prefectly with the S660H. You'll also be blown away at how intuitive this receiver is as it will help you set up everything you need to get the most out of it!
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Denon AVR-S660H AV Receiver

HEOS Built-in

Enjoy your favorite music in any room of your home wirelessly with HEOS® Built-in technology. Play the same song in every room or select a different song for each connected room — the choice is yours. Also works with Amazon Alexa, Google Assistant, Apple Siri and to provide cutting-edge voice control and incredible sound for all your home entertainment. Connect your Denon Home speakers for a whole-home audio experience.
HEOS® supports free and premium Spotify, Pandora, Amazon Music HD, TuneIn, SoundCloud, SiriusXM, TIDAL and more.
(Not all music services available in all regions.)

Roon Tested

All new Denon AV receivers are now Roon Tested including the AVR-XS660H. Get more out of your digital music library with searchable, surfable information about your favorite artists and songs. Find lyrics, concert dates, photos, bios, reviews and more.

Works with Amazon Alexa

Control the AVR-S660H hands-free with Amazon Alexa and your voice. Adjust the volume, skip to the next track, switch inputs for your different media players and more — “Just Ask.” Download the HEOS Home Entertainment Skill to enable Amazon Alexa voice commands for your AVR-X6700H, HEOS devices and other select Denon products.

Compatible with Dolby Vision

Dolby Vision® is a stunning HDR imaging technology that brings extraordinary color, contrast, and brightness to the screen. See what you've been missing.

Audyssey MultEQ

Professional home theater audio tuning at your fingertips. The latest Denon audio/video products use the Audyssey suite of EQ software for simple, accurate set-up and calibration. With the supplied measuring microphone, Audyssey measures all the speakers in your home theater, and tunes the AV receiver to provide the smoothest, most optimal overall listening experience for your room. Audyssey Dynamic Volume and Audyssey Dynamic EQ smooth out startling jumps in volume (such as TV commercials), letting you listen at lower levels and still enjoy clear dialogue, music, sound effects and precise tonal tailoring. For the enthusiast, the Audyssey MultEQ Editor app lets you view speaker detection data to check the before-and-after results of the Audyssey calibration, making it easy to optimize individual room acoustics to personal taste.

AirPlay 2

Use AirPlay 2 to stream Apple music wirelessly to the AV receiver, or group with other AirPlay compatible speakers to fill your home with music.


Number of Power Amps 5
Power Output 75 watts per channel
(8 ohms, 20Hz–20kHz. THD .08%,
2ch driven)
100 watts per channel
(6 ohms, 1kHz, THD .7%,
2ch driven)
135 watts per channel
(6 ohms, 1kHz, THD 1%,
1ch driven)
Speaker Impedance 4-16Ω/ohms
Input Sensitivity/Impedance 200mV
Frequency Response 10Hz–100kHz – +1, -3 dB (Direct Mode)
S/N Ratio 98dB (IHF-A weighted, Direct Mode)
Power Supply AC 230V/50 Hz
Power Consumption 340W (Standby 0.1W, CEC standby 0.5W)
Weight 7.8kg
Maximum Dimensions (WxHxD) 434 x 151 x 339mm