Denon AVR-S640H vs Denon AVR-X2700H review

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It’s strongly recommended to compare different receivers if you want to choose the best one: Denon AVR-S640H vs Denon AVR-X2700H.

Amplifier

The number of channels for receivers is different - 5.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the AVR-S640H has such a ratio W/Ohm - 75/8, 100/6, while the AVR-X2700H has a power of 95/8, 125/6. A common feature for devices is the same total harmonic distortion - 0.08%. The Bi-amping function is implemented only in the Denon AVR-X2700H. Both Denon AVR-S640H and Denon AVR-X2700H can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay, AirPlay 2. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Denon AVR-S640H works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, but the Denon AVR-X2700H works with Deezer, TIDAL, Pandora, SiriusXM, Qobuz, TuneIn Radio. Signaling over HDMI in standby mode can provide the AVR-S640H and the AVR-X2700H. Video scaling is only possible with the AVR-X2700H. Each of the participants of the comparison has a Dolby Vision.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the AVR-S640H has 5/1, and the AVR-X2700H has 6/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVR-X2700H. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The AVR-S640H has support for the standard HDCP 2.2, compared to the AVR-X2700H, which supports the standard HDCP 2.3. Like most receivers, our models have a built-in phono stage for connecting a vinyl player. Voice control is performed using Amazon Alexa, Google Assistant, Siri, Josh.AI in both models. There is an ECO mode in either AV receiver. The Denon AVR-S640H and the Denon AVR-X2700H can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the AVR-X2700H. Only in the AVR-X2700H realized a DTS:X surround technology.