Do you really price match?
We will match any e-Commerce (Online store) Authorized USA Dealer's advertised price. Please call us toll free (877) 370-1972 and alert us to where you found the product cheaper. We will verify, and if the site is an Authorized US Dealer- we will match their price. However, if the price is below the manufacturer Minimum Advertised Price (MAP)- we will have to get authorization to match the price. We will not violate our signed agreements that we have with our vendors.
What about price matching from an auction site?
We do not price match any auction or "grey market" site.
Be advised, any purchases from an auction or unauthorized (grey market) websites can lead to future issues in regards to warranty or support. Most manufacturers will not honor any claims or warranty from these type of sales. Spend your money wisely by purchasing from an Authorized Dealer. In a lot of cases, saving a little bit of money can cost you more after the sale is completed.
We offer a 30 Day Return Policy should you choose to return a product for any reason.
Since 1972 Sound Approach has backed all items that we sell. If the product you have purchased is not right for you, let us know. We strive to find the right product for your unique situation. We will work with you to find a sound solution and recommend what product will resolve your issue. That being said, we will credit, refund, or exchange any product you purchase within 30 days of your purchase.
Certain products, may be returned, but are subject to a restocking fee of 20%. Please contact us to determine, before ordering, if the item will fall into this category. Usually it is for the high-end electronics & audiophile-grade speakers. We want to make sure that we match you with the correct product, so please call and speak to any of our technical experts prior to ordering.
Four Important Conditions:
1. We need to get the original box, manuals, and any materials that came with the product for you to receive a full refund- with no re-stocking charges. The item/product must still be in like-new condition.
2. If the item had Free Shipping and you are returning a non-defective product, the original shipping cost will be deducted from the total that will be refunded back.
3. Special Ordered items are not returnable (see below).
4. Once an RMA is issued- it is valid for 10 business days. After 10 days, the RMA is canceled and returns will not be accepted.
Shipping and handling charges cannot be reimbursed unless it is our mistake. Yes, we can make mistakes – not often, but it can happen.
Denon - AVR-S640H - 5.2 Channel 4K Ultra HD A/V Receiver
The 5.2 channel Denon AVR-S640H features Dolby Vision™, HDR, HLG, and 4K video pass-thru and HDMI 5 in/1 out. HEOS technology lets you stream Spotify®, Pandora®, Tidal and more wirelessly throughout the home.unparalleled music playback options, thanks to our built-in HEOS technology, Apple AirPlay 2, and Amazon Alexa voice compatibility for seamless control.
The 5.2 channel Denon AVR-S640H AV receiver features Dolby Vision™, HDR, HLG and 4K video upscaling for a stunning home theater experience. It includes 5 HDMI inputs at 4K/60 Hz with full-rate pass-through and HDCP 2.2 support on all HDMI ports. Built-in HEOS lets you stream Spotify®, Pandora®, Tidal and more throughout the home. A front-panel USB offers convenient audio playback of MP3, WAV, FLAC, ALAC, and DSD (2.8/5.6MHz) files. Control your AVR with Amazon Alexa voice compatibility and with our award-winning Setup Assistant, the Denon AVR-S640H is just as easy to setup as it is to enjoy.
Get the Amazing HEOS Experience
Enjoy your favorite music in any room of your home wirelessly with built-in HEOS 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 providing cutting-edge voice control and incredible sound for all of your home entertainment–or control it all with the free HEOS app.
Stream music stored on your home network–connect to HEOS wireless speakers or even other HEOS-enabled receivers and listen throughout the whole house. Enjoy music from TuneIn, Internet Radio, Pandora®, Spotify®, Amazon Prime Music, iHeartRadio, SiriusXM, Soundcloud®, Tidal, Napster or Deezer.
Breathe New Life Into Legacy Sources
The AVR-S640H features five HDMI inputs and one output — including one input on the front panel — that support full 4K Ultra HD, HDR (High Dynamic Range), BT.2020, Wide Color Gamut and 4:4:4 Pure Color sub-sampling. Dolby Vision compatibility and HLG (Hybrid Log-Gamma) provide exceptional brightness, contrast and color, and HDCP 2.2 processing lets you enjoy copy-protected content uninhibited.
Next Generation Video Formats
The AVR-S640H supports High Dynamic Range (HDR) video format. It is even ready for Dolby Vision and HLG (Hybrid Log Gamma). Dolby Vision transforms the viewing experiences with astonishing brightness, contrast, and color. HLG offers HDR technology over broadcast content.
Smart TV Connectivity
Control the Denon AVR-S640H with your Smart TV remote via the HDMI CEC functionality associated with your Smart TV. Simply set “HDMI Control” to ON in your receiver, then set “Smart Menu” to ON and begin controlling the AVR-S640H with your TV remote. The Smart Menu home screen provides you quick access to source and surround mode selections, the AVR's setup menu and four Smart Selects.
Customized Sound for any Room
Every room has its own characteristics and acoustical anomalies. That's why we equipped the AVR-S640H with Audyssey MultEQ. With the supplied measuring microphone, it exactly measures all the speakers in your home theater during setup, and then provides the smoothest most optimal overall listening experience. Audyssey Dynamic Volume and Audyssey Dynamic EQ smooths out annoying jumps in volume (such as TV commercials), letting you listen at lower levels and still enjoy clear dialogue, music, and sound effects and precision tonal tailoring for full range clarity at any listening level.
Built-In Bluetooth, Wi-Fi and AirPlay 2 Capability
The heart of your wireless network. With Bluetooth and Wi-Fi wireless streaming connectivity, the Denon AVR-S640H is equipped with an advanced dual-antenna transceiver system for robust streaming even in congested urban environments. Enjoy listening to your favorite audio content wirelessly from your smart devices.
Amazon Alexa Voice Control
Use your voice to stream your favorite music services to this HEOS-enabled device. Ask Alexa to play music from Pandora, Spotify, Amazon Music and much more. Switch between inputs (Blu-ray, DVD, Media Player, etc.), turn volume up or down, pause, mute and play the next song — all with your voice.
To start streaming with Alexa voice commands, open the Alexa app and select “Skills.” Add HEOS Home Entertainment to enable. Then, go to Smart Home in the Alexa app menu and choose Devices and Discover or say “Alexa, discover my devices.”
With HEOS Home Entertainment and Alexa, you can stream to this product and any other HEOS-enabled device.
Google Assistant Voice Control
Ask your Google Home, Google app or other devices with Google Assistant built-in to control content across your listening environment. Start music in the HEOS app, then ask your Google Assistant to control volume, play, pause, skip tracks and more. ‘Works with the Google Assistant’ feature is always improving — further enhancements arrive in 2019.
Max Number of Processing (Preamp) Channels
DSD Audio Streaming
HDMI Inputs: Back
HDMI Outputs: Main
Phono (MM) In
Digital In: Optical/Coaxial
Number of Speaker Terminals
Number of Power Amps
Power Output (8 Ohm, 20 Hz - 20 kHz, 0.08% 2ch Drive)
Power Output (6 Ohm, 1 kHz, 0.7% 2ch Drive)
Power Output (6 Ohm, 1 kHz, 10% 1ch Drive)
System Remote Control
CEC Standby Consumption
Network Control On Consumption
17 1/8" x 6" x 13 3/8"