Denon AVR-X2700H vs Denon AVR-S660H review

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The Denon AVR-X2700H vs Denon AVR-S660H comparison proves that these receivers have many common features.

Amplifier

A significant difference between the receivers in the number of channels, Denon AVR-X2700H has 7.2 versus 5.2 for Denon AVR-S660H. Regarding power, then AVR-X2700H has such a W/Ohm ratio - 95/8, 125/6 when AVR-S660H has a power of 75/8, 100/6. The THD is the same and is 0.08%. Only the AVR-X2700H supports Bi-amping feature. The Denon AVR-X2700H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay, AirPlay 2. Spotify can be used on each receiver. The AVR-X2700H can work with the audio stream from Deezer, TIDAL, Pandora, SiriusXM, Qobuz, TuneIn Radio, and the AVR-S660H can receive a content from Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud.

Video features

Compared AV receivers retain the quality of 4K/120Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.

Extensive connections

The Denon AVR-X2700H has 6/2 HDMI inputs/outputs versus 6/1 HDMI connectors of the Denon AVR-S660H. The HDMI Audio Return Channel (ARC) feature supports both devices. HDMI eARC is available in each model. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.3. These compared receivers have a built-in phono stage for connecting a vinyl player. Supported voice control technologies are identical - Amazon Alexa, Google Assistant, Siri, Josh.AI. It is also worth noting that the ECO mode is presented in each of the receivers. Both AVR-X2700H and AVR-S660H can be configured using the Setup assistant.

Multichannel surround

Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.