Denon AVR-S670H vs Sony STR-AZ7000ES review
It makes sense comparing Denon AVR-S670H vs Sony STR-AZ7000ES because they both are able to give some premium features.
Amplifier
A significant difference between the receivers in the number of channels, Denon AVR-S670H has 5.2 versus 13.2 for Sony STR-AZ7000ES. Regarding power, then AVR-S670H has such a W/Ohm ratio - 75/8, 100/6 when STR-AZ7000ES has a power of 150/8. The THD is 0.08% for the AVR-S670H but 0.09% for the STR-AZ7000ES.
Audio features
Competitors' digital to analog converter (DAC) is identical to 192 KHz/32-bit. Only the STR-AZ7000ES supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. 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. Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, Amazon Music, Amazon Music HD, MOOD:Mix - all of these streaming services have found application in each of the models.
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-S670H has 6/1 HDMI inputs/outputs versus 6/2 HDMI connectors of the Sony STR-AZ7000ES.
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. The AVR-S670H has 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-S670H and STR-AZ7000ES can be configured using the Setup assistant.
Multichannel surround
Only the STR-AZ7000ES has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the STR-AZ7000ES.