Let's compare Denon AVR-S660H versus Denon AVR-S570BT for an overview of all their pros and cons. According to the results of our review, Denon AVR-S660H received 6.7 points out of 10 possible, and Denon AVR-S570BT was rated 5.7 points. The release date of AVR-S660H is 2021, and AVR-S570BT is 2022. And as a result of the comparison, AVR-S660H seems to be a better option for the role of a home theater center than AVR-S570BT.
For the built-in amplifier, the models have rated 6 points out of 10.
The number of channels is equal to the number of possible connected speakers. Both receivers can handle the 5.2-channels configuration.
RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. The differences between the models in terms of RMS power are significant - for the AVR-S660H this value is 75/8 W/Ohm, and for the AVR-S570BT it is 70/8 W/Ohm.
AVR-S660H | AVR-S570BT | |
---|---|---|
Channels | 5.2 | 5.2 |
Stereo power (RMS), W/Ohm | 75/8, 100/6 | 70/8, 90/6 |
Output impedance, Ohm | 8, 6 | 8, 6 |
Frequency response | 10Hz-100KHz | 10Hz-100KHz |
THD in stereo, % | 0.08 | 0.08 |
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-S570BT 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.
Speaker A/B switching allows you to change between the main and sub speaker set. Denon AVR-S570BT can work with the main and additional set of speakers - and switch between them.
AVR-S660H | AVR-S570BT | |
---|---|---|
Digital to analog converter (DAC) | 192 KHz/32-bit | 192 KHz/32-bit |
Bi-amping | ✖ | ✖ |
Pure direct (straight) | ✖ | ✔ |
Auto speaker calibration | Audyssey MultEQ | Audyssey MultEQ |
Speaker A/B switching | ✖ | ✔ |
Other audio features | Audyssey Dynamic Volume, Audyssey Dynamic EQ, Hi-Res audio | has not |
The connectivity of competitors in our comparison is markedly different, Denon AVR-S660H scored 7, and Denon AVR-S570BT scored 5 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
Wired internet connection via RJ45 allows receiver faster connection than wireless or even use NAS storages. Wired connection via RJ45 is possible in the AVR-S660H only.
AVR-S660H | AVR-S570BT | |
---|---|---|
Wi-Fi | 2.4/5GHz | ✖ |
USB | 1 (USB 2.0) | 1 (USB 2.0) |
Bluetooth | ✔ | ✔ |
Ethernet (RJ45) | 1 | ✖ |
DLNA | ✖ | ✖ |
MHL | ✖ | ✖ |
Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.
AVR-S660H | AVR-S570BT | |
---|---|---|
Apple Music (AirPlay) | AirPlay, AirPlay 2 | ✖ |
Amazon Music | ✔ | ✖ |
Spotify | ✔ | ✖ |
Other streaming services | Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud | ✖ |
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, Denon AVR-S660H got 7 points, but Denon AVR-S570BT received 6 points.
Denon AVR-S660H is equipped with 6/1 HDMI inputs and outputs, and Denon AVR-S570BT has 4/1 HDMI inputs and outputs.
Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the AVR-S660H has a Phono interface.
AVR-S660H | AVR-S570BT | |
---|---|---|
HDMI input/output | 6/1 | 4/1 |
HDMI ARC (Audio Return Channel) | ✔ | ✔ |
HDMI eARC (Enhanced Audio Return Channel) | ✔ | ✔ |
HDMI CEC | ✔ | ✔ |
Digital content protection (HDCP) | HDCP 2.3 | HDCP 2.3 |
Subwoofer output (LFE) | 2 | 2 |
Headphone output | 1 x 6.3 | 1 x 6.3 |
Optical digital input | 2 | 2 |
Coaxial digital input | 1 | 1 |
Composite input | 2 | 0 |
Component input/output | 0 | 0/0 |
Phono (MM) input | ✔ | ✖ |
Front panel connectors | USB, phones, setup mic | USB, phones, setup mic |
Multi channel preamp output | ✔ | ✔ |
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 rivals in our comparison were rated 8 out of 10.
AVR-S660H | AVR-S570BT | |
---|---|---|
HDR (High Dynamic Range) | HDR10+ | HDR10+ |
4K signal pass-through | 4K/120Hz | 4K/120Hz |
8K signal pass-through | 8K/60Hz | 8K/60Hz |
HDMI signal pass-through | ✔ | ✔ |
3D signal pass-through | ✔ | ✔ |
HDMI pass-through in standby mode | ✔ | ✔ |
Video conversion | ✖ | analog to HDMI |
Analog to HDMI scaling | ✖ | ✔ |
HDMI to HDMI scaling | ✔ | ✔ |
Dolby Vision | ✔ | ✔ |
Other video features | Dynamic HDR, HLG, BT.2020 | Dynamic HDR, Variable Refresh Rate, Quick Frame Transport |
In terms of evaluating additional features, the AVR-S660H got 10 points, but the AVR-S570BT has 8.
Voice control allows you to control the basic functions of the receiver through a smartphone, smart speaker or using the microphone that comes with the kit. The AVR-S660H can be controlled by voice via Amazon Alexa, Google Assistant, Siri, Josh.AI.
AVR-S660H | AVR-S570BT | |
---|---|---|
Voice control | Amazon Alexa, Google Assistant, Siri, Josh.AI | ✖ |
App control | iPhone, iPad, iPod, Android | iPhone, iPad, iPod, Android |
Display | colour OSD | 1-Line FLD |
Tuner | AM, FM | AM, FM |
Sleep timer | ✔ | ✔ |
Auto power off | ✔ | ✔ |
ECO mode | ✔ | ✔ |
Graphical user interface (GUI) | ✔ | ✔ |
Setup assistant | ✔ | ✔ |
Firmware update | network, USB | USB |
Other additional features | Web Control, App Control | App Control |
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.
AVR-S660H | AVR-S570BT | |
---|---|---|
Multi-room zones | has not | has not |
Zone audio output | has not | has not |
Zone HDMI output | has not | has not |
Multi-room control | HEOS App, Denon 2016 AVR Remote | has not |
RS-232 | 0 | 0 |
Remote control input/output (IR) | 0/0 | 0/0 |
DC trigger output (12V) | 0 | 0 |
Denon AVR-S660H got 8 points for the multichannel surround sound and Denon AVR-S570BT got 5.
AVR-S660H | AVR-S570BT | |
---|---|---|
Dolby Atmos | ✖ | ✖ |
Dolby TrueHD | ✔ | ✔ |
Dolby Surround | ✖ | ✖ |
Dolby (other) | Dolby ProLogic Il | has not |
DTS:X | ✖ | ✖ |
DTS HD Master | ✔ | ✔ |
DTS Virtual:X | ✖ | ✖ |
DTS Neural:X | ✖ | ✖ |
DTS (other) | DTS Neo:6 | has not |
Auro-3D | ✖ | ✖ |
IMAX Enhanced | ✖ | ✖ |
Multichannel stereo | ✔ | ✔ |