5.2 Ch. 75W 8K AV Receiver with HEOS® Built-in
Price match
For a limited time, if you find the same item at a lower price at an authorized online retailer, Denon will match the price. Terms and conditions apply.
Price match
If you find the same item at a lower price at a qualifying online retailer or at a local retail competitor’s store we will refund the difference.
U.S. Price Match Terms and Conditions
For a limited time, Denon is offering a price match on qualifying Denon products (“Price Match”), subject to terms and conditions.
To qualify for the Price Match:
- The Denon product must be new and identical (i.e. same brand, including model number and color), in-stock, and available for delivery at the time of purchase.
- Denon will price match the following on-line retailers for U.S. sales of Denon product that is shipped from and sold by an authorized online retailer, excluding third party sellers on those sites, and subject to the terms, conditions, and exclusions referenced herein.
- One Price Match permissible per identical item, per customer, at the current pre-tax price is available.
Exclusions apply, including but not limited to:
- Products do not qualify if offered as part of a give-away, sweepstakes, with special terms or as part of special considerations, or as part of a bundle. Clearance, refurbished and open-box items are also excluded. Out-of-stock items, mail-in offers, coupons, pre-order items, items that require a subscription service, in-store specials, gift card offers or items included in a gift card, flash sales, items related to Point of Sale Activation cards, membership programs, video game discounts, and daily deals are excluded. Products sold by Marketplace vendors are excluded.
- Items for sale the Friday before Thanksgiving through the Monday after Thanksgiving are excluded from Price Match.
- Products shipped from or sold by third party sellers on websites are excluded.
To validate your requested Price Match:
- Find a qualifying lower price product at an authorized online retailer and call at 1-800-497-8921 or contact Denon and direct the Customer Service Agent to the website with the lower price.
- For qualifying Price Match products, Denon Customer Service will verify the current price and availability. If eligible, Denon Customer Service Agent can assist you in completing the sale at Denon’s online store with the matched price.
- Disclaimer: Denon reserves the right to restrict or exclude items that have been subject to fraud, tampering, editing, misrepresentation, or based upon price errors. No warranty or guarantee is made that a user will receive the lowest available price for products available through Denon’s site. All rights reserved.
Effective Date: 1/15/2022
Authorized online retailer:
ABC Appliance / Hawthorne , Audio Advice , Audio Advisor / Kraft Street Audio , AudioLab , Crutchfield , Electronics Express , Gramophone , Huppins / One Call , Huppins / One Call , IQ HE / Capital Sales
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Designed for 4K or 8K setups, the AVR-S66OH delivers superior 3D audio home theater/gaming experiences and supports the latest HDMI specifications.
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Advanced 5-channel amplifier
Delivers maximum performance and 75W per channel to provide the classic and dynamic Denon sound experience.
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Advanced 8K HDMI video with eARC support
Three 8K inputs support the latest HDMI specifications—8K/60Hz, select 4K/120Hz pass-through, VRR, Dolby Vision™, HDR10+, and ALLM.
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Full surround sound experience
Enjoy enveloping Dolby TrueHD or DTS-HD Master Audio 5.1 surround sound from Blu-ray, streaming services and TV.
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Easy setup and operation
Once you connect your TV to the AVR-S660H, the Denon Setup Assistant walks you through the setup, step by step.

5.2 Channel AV Receiver
The AVR-S660H 5.2 channel receiver supports home theater surround sound including stereo subwoofers for your home entertainment.

Enhanced Gaming & 6 HDMI Inputs
6 HDMI Inputs allow for quick, easy switching between all your media systems including game consoles, streaming sticks, cable box and more. HDMI 2.1 technology allows maximum gaming and video quality.

Wireless Streaming with Bluetooth and Wi-Fi
The AVR-S660H functions as both a Wi-Fi and Bluetooth receiver. It supports HEOS multi-room audio, high quality music streaming and home theater all in one.

4K & 8K Ready for the Ultimate Home Theater
The AVR-S660H 8K receiver delivers the ultimate home theater experience with 8K/60Hz pass-through, 4K/120Hz pass-through, and support for the latest HDMI specifications.
Specifications


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Technical SpecificationsMultichannel Surround
DTS HD Master / DTS:X Yes / No DTS Neo:X / DTS Neural:X NEO: 6 / No Dolby TrueHD / Dolby Atmos Yes / No Dolby ProLogic II / Dolby Surround Yes / No Multichannel Stereo Yes Dialog Enhancer Yes Max Number of Processing (Preamp) Channels 5.1 Sound EnhancementsDiscrete Power Amplifier 5 Audyssey MultEQ Audyssey Dynamic EQ / Dynamic Volume Yes / Yes Compressed Audio Restorer Yes NetworkHEOS Multiroom and Streaming Yes Lossy Formats: MP3 / WMA / AAC Yes / Yes / Yes Lossless Formats: FLAC / ALAC / WAV Yes / Yes / Yes DSD Audio Streaming up to DSD5.6 FLAC HD 192/24 Yes WAV 192/24 Yes ALAC 192/24 Yes Gapless playback Yes (FLAC, WAV, ALAC, DSD) AirPlay 2 Yes Roon Tested Yes Internet Radio TuneIn Spotify Connect* / Tidal* / Deezer* / others * Yes / Yes / Yes / Yes Amazon Prime Music* / Pandora* Yes / Yes Compatible with Remote APP for Smart Phones Android / iOS Compatible with Remote APP for Tablets Android / iOS / Amazon Kindle Ethernet Ports Yes Wi-Fi Yes Bluetooth Yes Bluetooth Headphone transmission Yes HDMIHDMI Inputs: Back / Front 6 (3x 8K) / 0 HDCP2.3 support Yes HDMI Outputs: Main / Zone 1 / No HDMI max Resolution (8k / 4k) 8k/60 - 4k/120 HDMI to HDMI Scaling up to 8K 60/50 HDMI: 8K / 4K / CEC / eARC Yes / Yes / Yes / Yes HDMI: Dolby Vision / HDR 10+ / Dynamic HDR / HLG Yes / Yes / Yes / Yes HDMI: ALLM / QMS / QFT / VRR Yes / Yes / Yes / Yes HDMI pass-though in standby mode Yes Multi-Room / CIHEOS Multiroom integrated Yes TV Sound grouping Yes Main room multichanel audio - Zone stereo downmix Yes Zone Audio Source: HDMI / Opt, Coax / Network, USB / Analog No / No / No / No Zone Audio Output: Speaker / Preout No / No Webbrowser Setup Yes IP Control / RS232 Control / Web Control / App Control Yes / No / Yes / Yes Remote In / Out No / No OthersVoice Control - Works with Amazon Alexa Yes Voice Control - Google Assist / Apple Siri Yes / Yes Auto Speaker Setup by Microphone Audyssey MultEQ FL Display 1 line Graphic User Interface - GUI Hybrid GUI GUI Languages 3 Setup Assistant Yes Quick Select Plus / Quick Select Yes / No Firmware Update by: Network / USB Yes / Yes Variable Cross Over Yes Optimized Bass Redirection Yes ECO Mode Yes Auto Power Off Yes Sleep Timer Yes Inputs/OutputsComposite In / Out 2 / 1 Component In / Out No / No HDMI In / Out 6 / 1 Multi-room Video Out: Video / HDMI No / No Analogue In/out 2 / No Phono (MM) In Yes Digital In: Optical / Coaxial 2 / 1 Multi-room Out: Analog / Digital No / No Multichannel Pre-out Yes (0.2) Subwoofer Out 2 Speaker Terminal: Gold Plated Screw / Regular Screw No / Yes Number of Speaker Terminals 5 Front Inputs: Audio / Composite / Digital (Opt) / HDMI / USB No / No / No / No / Yes USB Audio / Made for iPod / Made for iPhone Yes / AirPlay / AirPlay Tuner: FM / AM Yes / Yes SpecificationsNumber of Power Amps 5 Power Output (8 ohm, 20 Hz - 20 kHz, 0.08% 2ch Drive) 75W Power Output (6 ohm, 1 kHz, 0.7% 2ch Drive) 100W Power Output (6 ohm, 1 kHz, 10% 1ch Drive) 150W GeneralAvailable colors: Black / Premium Silver Yes / No System Remote Control RC-1243 Pre-programmed / Learnable / LCD Display No / No / No Power Consumption in W 340 Power Consumption No-Sound (ECO On / Off) in W 29 W / 39 W Standby Consumption in W 0.1 CEC Standby Consumption in W 0.5 Network Control On Consumption in W 2.0 Maximum Dimensions w/ Antenna (W x D x H) 434 x 339 x 215 mm Dimensions w/o Antenna (W x D x H) 434 × 339 × 151 mm Weight in kg 7.8 Carton Maximum Dimensions (W x D x H) in mm 523 x 435 x 232 mm Carton Weight (inc. product) in kg 9.7
Onboard technologies
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Dolby Audio Engineered to make the most of 5.1 Dolby Digital decoding so you get room-filling virtual surround sound whenever you want it.
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HDMI Available on all HDMI ports, enjoy 8K upscaling, as well as HDCP 2.3, letting you enjoy copy-protected content uninhibited. The AVR-S660H also adopts eARC (enhanced Audio Return Channel) to support 3D audio formats directly from your smart TV apps to your AV receiver.
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OVRC In today’s custom install environment, it’s critical for integrators to provide quick, reliable assistance and service to their clients, even after the install is complete. To support this effort, the Denon AVR-S660H AV receiver features Domotz Pro and OvrC remote system monitoring and management technology. These programs allow custom integrators to monitor the status of connected products and troubleshoot remotely from the office or on the go, radically reducing the time it takes to address the issue.
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Click to learn more
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 Josh.ai 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.)
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Roon Tested All new Denon AV receivers are now Roon Tested including the AVR-S660H. 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.
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8K UHD HDMI inputs support 8K Ultra HD pass through, HDR, Dolby TrueHD, DTS-HD Master Audio and Dolby Vision (HDMI 2.1a and HDCP 2.3), plus ARC support, for an unmatched expansive entertainment experience.
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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-S660H, HEOS devices and other select Denon products.
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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.
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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.
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Spotify Stream your music directly from your Spotify account for high-quality music in your TV room.
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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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Click to learn more
Works with Google Assistant Start music in the HEOS app, then ask your Google Assistant to control volume, play, pause, skip tracks and more.
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Customer Reviews
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Questions & Answers
Questions & Answers
Online Manuals
Companion Products

Price match
For a limited time, if you find the same item at a lower price at an authorized online retailer, Denon will match the price. Terms and conditions apply.
Price match
If you find the same item at a lower price at a qualifying online retailer or at a local retail competitor’s store we will refund the difference.
U.S. Price Match Terms and Conditions
For a limited time, Denon is offering a price match on qualifying Denon products (“Price Match”), subject to terms and conditions.
To qualify for the Price Match:
- The Denon product must be new and identical (i.e. same brand, including model number and color), in-stock, and available for delivery at the time of purchase.
- Denon will price match the following on-line retailers for U.S. sales of Denon product that is shipped from and sold by an authorized online retailer, excluding third party sellers on those sites, and subject to the terms, conditions, and exclusions referenced herein.
- One Price Match permissible per identical item, per customer, at the current pre-tax price is available.
Exclusions apply, including but not limited to:
- Products do not qualify if offered as part of a give-away, sweepstakes, with special terms or as part of special considerations, or as part of a bundle. Clearance, refurbished and open-box items are also excluded. Out-of-stock items, mail-in offers, coupons, pre-order items, items that require a subscription service, in-store specials, gift card offers or items included in a gift card, flash sales, items related to Point of Sale Activation cards, membership programs, video game discounts, and daily deals are excluded. Products sold by Marketplace vendors are excluded.
- Items for sale the Friday before Thanksgiving through the Monday after Thanksgiving are excluded from Price Match.
- Products shipped from or sold by third party sellers on websites are excluded.
To validate your requested Price Match:
- Find a qualifying lower price product at an authorized online retailer and call at 1-800-497-8921 or contact Denon and direct the Customer Service Agent to the website with the lower price.
- For qualifying Price Match products, Denon Customer Service will verify the current price and availability. If eligible, Denon Customer Service Agent can assist you in completing the sale at Denon’s online store with the matched price.
- Disclaimer: Denon reserves the right to restrict or exclude items that have been subject to fraud, tampering, editing, misrepresentation, or based upon price errors. No warranty or guarantee is made that a user will receive the lowest available price for products available through Denon’s site. All rights reserved.
Effective Date: 1/15/2022
Authorized online retailer:
ABC Appliance / Hawthorne , Audio Advice , Audio Advisor / Kraft Street Audio , AudioLab , Crutchfield , Electronics Express , Gramophone , Huppins / One Call , Huppins / One Call , IQ HE / Capital Sales

Price match
For a limited time, if you find the same item at a lower price at an authorized online retailer, Denon will match the price. Terms and conditions apply.
Price match
If you find the same item at a lower price at a qualifying online retailer or at a local retail competitor’s store we will refund the difference.
U.S. Price Match Terms and Conditions
For a limited time, Denon is offering a price match on qualifying Denon products (“Price Match”), subject to terms and conditions.
To qualify for the Price Match:
- The Denon product must be new and identical (i.e. same brand, including model number and color), in-stock, and available for delivery at the time of purchase.
- Denon will price match the following on-line retailers for U.S. sales of Denon product that is shipped from and sold by an authorized online retailer, excluding third party sellers on those sites, and subject to the terms, conditions, and exclusions referenced herein.
- One Price Match permissible per identical item, per customer, at the current pre-tax price is available.
Exclusions apply, including but not limited to:
- Products do not qualify if offered as part of a give-away, sweepstakes, with special terms or as part of special considerations, or as part of a bundle. Clearance, refurbished and open-box items are also excluded. Out-of-stock items, mail-in offers, coupons, pre-order items, items that require a subscription service, in-store specials, gift card offers or items included in a gift card, flash sales, items related to Point of Sale Activation cards, membership programs, video game discounts, and daily deals are excluded. Products sold by Marketplace vendors are excluded.
- Items for sale the Friday before Thanksgiving through the Monday after Thanksgiving are excluded from Price Match.
- Products shipped from or sold by third party sellers on websites are excluded.
To validate your requested Price Match:
- Find a qualifying lower price product at an authorized online retailer and call at 1-800-497-8921 or contact Denon and direct the Customer Service Agent to the website with the lower price.
- For qualifying Price Match products, Denon Customer Service will verify the current price and availability. If eligible, Denon Customer Service Agent can assist you in completing the sale at Denon’s online store with the matched price.
- Disclaimer: Denon reserves the right to restrict or exclude items that have been subject to fraud, tampering, editing, misrepresentation, or based upon price errors. No warranty or guarantee is made that a user will receive the lowest available price for products available through Denon’s site. All rights reserved.
Effective Date: 1/15/2022
Authorized online retailer:
ABC Appliance / Hawthorne , Audio Advice , Audio Advisor / Kraft Street Audio , AudioLab , Crutchfield , Electronics Express , Gramophone , Huppins / One Call , Huppins / One Call , IQ HE / Capital Sales

Price match
For a limited time, if you find the same item at a lower price at an authorized online retailer, Denon will match the price. Terms and conditions apply.
Price match
If you find the same item at a lower price at a qualifying online retailer or at a local retail competitor’s store we will refund the difference.
U.S. Price Match Terms and Conditions
For a limited time, Denon is offering a price match on qualifying Denon products (“Price Match”), subject to terms and conditions.
To qualify for the Price Match:
- The Denon product must be new and identical (i.e. same brand, including model number and color), in-stock, and available for delivery at the time of purchase.
- Denon will price match the following on-line retailers for U.S. sales of Denon product that is shipped from and sold by an authorized online retailer, excluding third party sellers on those sites, and subject to the terms, conditions, and exclusions referenced herein.
- One Price Match permissible per identical item, per customer, at the current pre-tax price is available.
Exclusions apply, including but not limited to:
- Products do not qualify if offered as part of a give-away, sweepstakes, with special terms or as part of special considerations, or as part of a bundle. Clearance, refurbished and open-box items are also excluded. Out-of-stock items, mail-in offers, coupons, pre-order items, items that require a subscription service, in-store specials, gift card offers or items included in a gift card, flash sales, items related to Point of Sale Activation cards, membership programs, video game discounts, and daily deals are excluded. Products sold by Marketplace vendors are excluded.
- Items for sale the Friday before Thanksgiving through the Monday after Thanksgiving are excluded from Price Match.
- Products shipped from or sold by third party sellers on websites are excluded.
To validate your requested Price Match:
- Find a qualifying lower price product at an authorized online retailer and call at 1-800-497-8921 or contact Denon and direct the Customer Service Agent to the website with the lower price.
- For qualifying Price Match products, Denon Customer Service will verify the current price and availability. If eligible, Denon Customer Service Agent can assist you in completing the sale at Denon’s online store with the matched price.
- Disclaimer: Denon reserves the right to restrict or exclude items that have been subject to fraud, tampering, editing, misrepresentation, or based upon price errors. No warranty or guarantee is made that a user will receive the lowest available price for products available through Denon’s site. All rights reserved.
Effective Date: 1/15/2022
Authorized online retailer:
ABC Appliance / Hawthorne , Audio Advice , Audio Advisor / Kraft Street Audio , AudioLab , Crutchfield , Electronics Express , Gramophone , Huppins / One Call , Huppins / One Call , IQ HE / Capital Sales

Price match
For a limited time, if you find the same item at a lower price at an authorized online retailer, Denon will match the price. Terms and conditions apply.
Price match
If you find the same item at a lower price at a qualifying online retailer or at a local retail competitor’s store we will refund the difference.
U.S. Price Match Terms and Conditions
For a limited time, Denon is offering a price match on qualifying Denon products (“Price Match”), subject to terms and conditions.
To qualify for the Price Match:
- The Denon product must be new and identical (i.e. same brand, including model number and color), in-stock, and available for delivery at the time of purchase.
- Denon will price match the following on-line retailers for U.S. sales of Denon product that is shipped from and sold by an authorized online retailer, excluding third party sellers on those sites, and subject to the terms, conditions, and exclusions referenced herein.
- One Price Match permissible per identical item, per customer, at the current pre-tax price is available.
Exclusions apply, including but not limited to:
- Products do not qualify if offered as part of a give-away, sweepstakes, with special terms or as part of special considerations, or as part of a bundle. Clearance, refurbished and open-box items are also excluded. Out-of-stock items, mail-in offers, coupons, pre-order items, items that require a subscription service, in-store specials, gift card offers or items included in a gift card, flash sales, items related to Point of Sale Activation cards, membership programs, video game discounts, and daily deals are excluded. Products sold by Marketplace vendors are excluded.
- Items for sale the Friday before Thanksgiving through the Monday after Thanksgiving are excluded from Price Match.
- Products shipped from or sold by third party sellers on websites are excluded.
To validate your requested Price Match:
- Find a qualifying lower price product at an authorized online retailer and call at 1-800-497-8921 or contact Denon and direct the Customer Service Agent to the website with the lower price.
- For qualifying Price Match products, Denon Customer Service will verify the current price and availability. If eligible, Denon Customer Service Agent can assist you in completing the sale at Denon’s online store with the matched price.
- Disclaimer: Denon reserves the right to restrict or exclude items that have been subject to fraud, tampering, editing, misrepresentation, or based upon price errors. No warranty or guarantee is made that a user will receive the lowest available price for products available through Denon’s site. All rights reserved.
Effective Date: 1/15/2022
Authorized online retailer:
ABC Appliance / Hawthorne , Audio Advice , Audio Advisor / Kraft Street Audio , AudioLab , Crutchfield , Electronics Express , Gramophone , Huppins / One Call , Huppins / One Call , IQ HE / Capital Sales

Price match
For a limited time, if you find the same item at a lower price at an authorized online retailer, Denon will match the price. Terms and conditions apply.
Price match
If you find the same item at a lower price at a qualifying online retailer or at a local retail competitor’s store we will refund the difference.
U.S. Price Match Terms and Conditions
For a limited time, Denon is offering a price match on qualifying Denon products (“Price Match”), subject to terms and conditions.
To qualify for the Price Match:
- The Denon product must be new and identical (i.e. same brand, including model number and color), in-stock, and available for delivery at the time of purchase.
- Denon will price match the following on-line retailers for U.S. sales of Denon product that is shipped from and sold by an authorized online retailer, excluding third party sellers on those sites, and subject to the terms, conditions, and exclusions referenced herein.
- One Price Match permissible per identical item, per customer, at the current pre-tax price is available.
Exclusions apply, including but not limited to:
- Products do not qualify if offered as part of a give-away, sweepstakes, with special terms or as part of special considerations, or as part of a bundle. Clearance, refurbished and open-box items are also excluded. Out-of-stock items, mail-in offers, coupons, pre-order items, items that require a subscription service, in-store specials, gift card offers or items included in a gift card, flash sales, items related to Point of Sale Activation cards, membership programs, video game discounts, and daily deals are excluded. Products sold by Marketplace vendors are excluded.
- Items for sale the Friday before Thanksgiving through the Monday after Thanksgiving are excluded from Price Match.
- Products shipped from or sold by third party sellers on websites are excluded.
To validate your requested Price Match:
- Find a qualifying lower price product at an authorized online retailer and call at 1-800-497-8921 or contact Denon and direct the Customer Service Agent to the website with the lower price.
- For qualifying Price Match products, Denon Customer Service will verify the current price and availability. If eligible, Denon Customer Service Agent can assist you in completing the sale at Denon’s online store with the matched price.
- Disclaimer: Denon reserves the right to restrict or exclude items that have been subject to fraud, tampering, editing, misrepresentation, or based upon price errors. No warranty or guarantee is made that a user will receive the lowest available price for products available through Denon’s site. All rights reserved.
Effective Date: 1/15/2022
Authorized online retailer:
ABC Appliance / Hawthorne , Audio Advice , Audio Advisor / Kraft Street Audio , AudioLab , Crutchfield , Electronics Express , Gramophone , Huppins / One Call , Huppins / One Call , IQ HE / Capital Sales
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8K is the most vivid resolution available for both movies and gaming. Images are roughly 8,000 pixels wide – that’s four times as many pixels as 4K, and 16 times as many as 1080p. In short, it allows for an ultra-ultra-high definition picture.

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