The Denon AVR-S750H vs Pioneer VSX-933 comparison makes sense because it shows what devices in their segments can offer. According to the results of our review, Denon AVR-S750H received 7 points out of 10 possible, and Pioneer VSX-933 was rated 7.8 points. The release date of AVR-S750H is 2019, and VSX-933 is 2018. VSX-933 is more suitable as the heart of home theater system than its opponent - AVR-S750H.
For the built-in amplifier, the devices received different marks - 7 and 8, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. Both receivers can handle the 7.2-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 VSX-933 this value is 80/8 W/Ohm, and for the AVR-S750H it is 75/8 W/Ohm.
AVR-S750H | VSX-933 | |
---|---|---|
Channels | 7.2 | 7.2 |
Stereo power (RMS), W/Ohm | 75/8, 110/6 | 80/8, 165/6 |
Output impedance, Ohm | 8, 6 | 8, 6 |
Frequency response | 10Hz-100KHz | 10Hz-100KHz |
THD in stereo, % | 0.08 | 0.08 |
After reviewing the audio features of each model, we can rate the AVR-S750H 6 out of 10, and the VSX-933 - 9.
Bi-amping is the amplification of one speaker with two amplifiers. This amplification method has a positive effect on sound quality. Bi-amping is possible on the VSX-933.
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.
AVR-S750H | VSX-933 | |
---|---|---|
Digital to analog converter (DAC) | AKM 192 KHz/32-bit | AK4458 384 KHz/32-bit |
Bi-amping | ✖ | ✔ |
Pure direct (straight) | ✔ | ✔ |
Auto speaker calibration | Audyssey MultEQ | MCACC |
Speaker A/B switching | ✖ | ✖ |
Other audio features | Audyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Restorer, Hi-Res audio | Advanced Sound Retriever, Hi-Res audio, Reflex Optimizer |
The connectivity of competitors in our comparison is markedly different, Denon AVR-S750H scored 7, and Pioneer VSX-933 scored 8 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
AVR-S750H | VSX-933 | |
---|---|---|
Wi-Fi | ✔ | 2.4/5GHz |
USB | 1 (USB 2.0) | 2 (USB 2.0) |
Bluetooth | ✔ | ✔ |
Ethernet (RJ45) | 1 | 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-S750H | VSX-933 | |
---|---|---|
Apple Music (AirPlay) | AirPlay, AirPlay 2 | AirPlay |
Amazon Music | ✔ | ✔ |
Spotify | ✔ | ✔ |
Other streaming services | Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, Mood Mix | Deezer, TIDAL, Pandora, TuneIn Radio |
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.
HDMI eARC is the next step in the development of audio return channel technology, which works in conjunction with HDMI 2.1. Using eARC provides the highest sound quality for home audio systems. HDMI eARC is available only on Denon AVR-S750H.
The HDCP encryption protocol is now mandatory for most media devices. This security technology encrypts digital signals from one product to another. HDCP content-encryption protocol is present on Denon AVR-S750H in the HDCP 2.3 version, and Pioneer VSX-933 has the HDCP 2.2 version.
AVR-S750H | VSX-933 | |
---|---|---|
HDMI input/output | 6/1 | 6/1 |
HDMI ARC (Audio Return Channel) | ✔ | ✔ |
HDMI eARC (Enhanced Audio Return Channel) | ✔ | ✖ |
HDMI CEC | ✔ | ✔ |
Digital content protection (HDCP) | HDCP 2.3 | HDCP 2.2 |
Subwoofer output (LFE) | 2 | 2 |
Headphone output | 1 x 6.3 | 1 x 6.3 |
Optical digital input | 2 | 1 |
Coaxial digital input | 1 | 1 |
Composite input | 2 | 2 |
Component input/output | 0/0 | 1/0 |
Phono (MM) input | ✔ | ✔ |
Front panel connectors | USB, HDMI, phones, setup mic | USB, phones, setup mic, AUX |
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 the AVR-S750H were rated 6 out of 10 against the 10 for the VSX-933.
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 Pioneer VSX-933.
AVR-S750H | VSX-933 | |
---|---|---|
HDR (High Dynamic Range) | HDR10 | HDR10 |
4K signal pass-through | 4K/60Hz | 4K/60Hz |
8K signal pass-through | ✖ | ✖ |
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 | HLG, BT.2020 | DeepColor, x.v.Color, HLG, BT.2020 |
In terms of evaluating additional features, the AVR-S750H got 10 points, but the VSX-933 has 9.
Only the Denon AVR-S750H has the ECO mode.
AVR-S750H | VSX-933 | |
---|---|---|
Voice control | Amazon Alexa, Google Assistant, Siri, Josh.AI | Google Assistant |
App control | iPhone, iPad, iPod, Android, Amazon Kindle | iPhone, iPad, iPod, Android |
Display | colour OSD | colour OSD |
Tuner | AM, FM | AM, FM |
Sleep timer | ✔ | ✔ |
Auto power off | ✔ | ✔ |
ECO mode | ✔ | ✖ |
Graphical user interface (GUI) | ✔ | ✔ |
Setup assistant | ✔ | ✔ |
Firmware update | network, USB | network, USB |
Other additional features | IP Control, Web Control | has not |
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-S750H | VSX-933 | |
---|---|---|
Multi-room zones | 2 | 2 |
Zone audio output | speaker | speaker, preout |
Zone HDMI output | ✖ | ✖ |
Multi-room control | HEOS App | FlareConnect |
RS-232 | 0 | 0 |
Remote control input/output (IR) | 0/0 | 0/0 |
DC trigger output (12V) | 0 | 0 |
For the ability to create multichannel surround sound, each of the receivers received 7 points out of 10.
AVR-S750H | VSX-933 | |
---|---|---|
Dolby Atmos | ✔ | ✔ |
Dolby TrueHD | ✔ | ✔ |
Dolby Surround | ✖ | ✔ |
Dolby (other) | Dolby Digital Plus, Dolby Atmos Height Virtualization | Dolby Digital Plus |
DTS:X | ✔ | ✔ |
DTS HD Master | ✔ | ✔ |
DTS Virtual:X | ✔ | ✖ |
DTS Neural:X | ✔ | ✔ |
DTS (other) | DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS | DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS |
Auro-3D | ✖ | ✖ |
IMAX Enhanced | ✖ | ✖ |
Multichannel stereo | ✔ | ✖ |