Denon AVR-S750H vs Denon AVR-S660H

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Being able to compare Denon AVR-S750H and Denon AVR-S660H gave us an insight into what of them would be better for home theater configuration. According to the results of our review, Denon AVR-S750H received 7 points out of 10 possible, and Denon AVR-S660H was rated 6.7 points. The release date of AVR-S750H is 2019, and AVR-S660H is 2021. AVR-S750H is more performable in terms of audio broadcast than the AVR-S660H.

Main advantages Denon AVR-S750H over Denon AVR-S660H

Main advantages Denon AVR-S660H over Denon AVR-S750H

Amplifiers

For the built-in amplifier, the devices received different marks - 7 and 6, respectively, on a 10-point scale.

The number of channels is equal to the number of possible connected speakers. The Denon AVR-S750H supports 7.2-channels sound, but Denon AVR-S660H supports a 5.2-channels configuration.

RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. In terms of RMS power, the models have the same characteristics - 75/8, 110/6/8 W/Ohm.

Audio features

The score for audio features is 6 of 10 for both receivers.

Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Denon AVR-S750H has Pure Direct mode.

Most receivers now come with a microphone included. It is with the help of this microphone that the auto-calibration system functions, which adjusts the sound of the receiver to the room.

Connectivity

The connectivity of competitors in our comparison is equal and was rated 7 out of 10.

Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.

Streaming services

Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.

Extensive connections

The presence of many connectors makes the receiver more versatile. But there are also narrowly targeted models, the number of connectors which are limited to a certain area of use. And when choosing their own receiver, users need to consider exactly your goals for using the receiver. For extensive connection, both receivers got 7 points on our 10-point scale.

Competitors in our review have 6/1 HDMI inputs and outputs.

Video features

The AV receiver is the heart of the home theater. And in this case, support for all current video formats ensures the best user experience, so it is very important to consider this when choosing a device. Video features of the AVR-S750H were rated 6 out of 10 against the 8 for the AVR-S660H.

With the 4K pass-through feature, the AV receiver sends "native" 4K signals to a 4K TV from a video source without any processing. The AVR-S750H works with the 4K/60Hz video, and the AVR-S660H has the 4K/120Hz.

The AV receiver passes "native" 8K signals from a video source to 8K TV without any encoding, with the 8k pass-through features. The 8K path-through is available on Denon AVR-S660H.

Most of the AV receivers have a video scaling function, it is the process of reformatting the video signal to a higher resolution without losing the quality of the image. Upscaling the video signal resolution is possible with Denon AVR-S660H.

Additional features

In terms of evaluating additional features, both receivers received a score of 10 out of 10.

Multi-room

As the center of a home media system, each multichannel receiver has an additional set of terminals for connecting the second set of speakers to create additional audio space in Zone 2 or even Zone 3 where audio can have the separate source.

Multichannel surround

Denon AVR-S750H got 7 points for the multichannel surround sound and Denon AVR-S660H got 8.

Dolby Atmos' particularity is that this is the object-oriented sound format, that is, each audio signal object is independently sounded and connected to its spatial position. Denon AVR-S750H can create 3D sound due to the Dolby Atmos support.

DTS:X is an algorithm used by the processor to create sound scenes, where sounds connected directly to objects rather than channels, and to determine the optimum sound output distribution in space. Surround sound with DTS:X is available only on the AVR-S750H.