Denon AVRS660H 5.2 ch 8K AV Receiver with Dolby Atmos, 3D Audio, HEOS Built-in and Voice Control
HEOS Built-in
With HEOS® Built-in technology, enjoy seamless and wireless audio streaming in every room of your home. This innovative system allows you to play the same song in every room or select unique songs for each connected room, giving you complete control over your audio experience. The technology is compatible with popular voice assistants including Amazon Alexa, Google Assistant, Apple Siri, and Josh.ai, offering effortless voice control and exceptional sound quality. Elevate your home entertainment to the next level by connecting your Denon Home speakers for a comprehensive whole-home audio setup.
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
Experience unparalleled musical enlightenment with the latest line of Roon Tested Denon AV receivers, including the cutting-edge AVR-XS660H. Delve deeper into your digital song collection and gain access to extensive, searchable information on your most-loved musicians and tracks. 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 theatre 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.

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Wireless Music Streaming |
Enhanced Gaming Experience |
Built-In Bluetooth Wi-Fi |
Enjoy music services like Spotify®, Amazon Music HD, and more with HEOS® Built-in.
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Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) care for amazing imaging and reduced latency.
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Dual-antenna transceiver for robust Bluetooth and Wi-Fi streaming even in congested environments.
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Define Audio Excellence |
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With a deep legacy of firsts and amazing sound, Denon is the defining audio company of Japan.
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Specifications
Number of Power Amps 5
Power Output
135 watts per channel (6 ohms, 1 kHz, THD: 1%, 1 ch driven)
75 watts per channel (8 ohms, 20Hz–20kHz, THD: 0.08%, 2 ch driven)
Speaker Impedance 4-16Ω/ohms
Preamplifier Section
Input Sensitivity/ Impedance 200 mV/47k kohms Frequency Response 10Hz–100kHz – +1, -3 dB (Direct Mode)
S/N Ratio 100 dB (IHF-A weighted, Direct Mode)
FM Section
Tuning Frequency Range 87.5–107.9 MHz
AM Section
Tuning Frequency Range 520–1710 kHz
General
Power Supply 230V / 50Hz
Power Consumption 340W (Standby 0.1W, CEC standby 0.5W)
Power Consumption (No Sound) 29W (ECO Mode On) 39W (ECO Mode Off)
Maximum Dimensions (WxDxH)
Antenna:Horizontal (mm) 434 x 341 x 167
Antenna:Vertical (mm) 434 x 339 x 215
w/o Antenna: (mm) 434 x 339 x 151
Carton Dimensions (Packaging) (WxDxH) (mm) 523 x 435 x 232
Weight (kg) 7.8
Weight (Packaging) (kg) 9.7
Ports
In
HDMI x6
8K HDMI x1
Component (Video) x2
Composite (Video) x2
Phono x1
Analogue Audio x4
Digital Optical x2
USB Front x1
Out
HDMI x1
HDMI Monitor (1x eARC) x2
8K HDMI x2
Component (Video) x1
Composite Monitor x1
Audio Pre-out (SW) 0.2 ch
Subwoofer x2
Headphones x1
Other
Ethernet x1
Microphone Port x1
Headphone x1
FM/AM Tuner Antenna x1
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