The Onkyo TX-NR656 vs Pioneer VSX-933 comparison makes sense because it shows what devices in their segments can offer. According to the results of our review, Onkyo TX-NR656 received 7.2 points out of 10 possible, and Pioneer VSX-933 was rated 7.8 points. The release date of TX-NR656 is 2016, and VSX-933 is 2018. VSX-933 is more suitable as the heart of home theater system than its opponent - TX-NR656.
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 165/6 W/Ohm, and for the TX-NR656 it is 160/6 W/Ohm.
TX-NR656 | VSX-933 | |
---|---|---|
Channels | 7.2 | 7.2 |
Stereo power (RMS), W/Ohm | 160/6 | 80/8, 165/6 |
Output impedance, Ohm | 6 | 8, 6 |
Frequency response | 10Hz-100KHz | 10Hz-100KHz |
THD in stereo, % | 0.08 | 0.08 |
The score for audio features is 9 of 10 for both receivers.
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.
TX-NR656 | VSX-933 | |
---|---|---|
Digital to analog converter (DAC) | Hi-Grade 384 KHz/32-bit | AK4458 384 KHz/32-bit |
Bi-amping | ✔ | ✔ |
Pure direct (straight) | ✔ | ✔ |
Auto speaker calibration | AccuEQ | MCACC |
Speaker A/B switching | ✖ | ✖ |
Other audio features | Theater-Dimensional, Double Bass Function, CinemaFILTER | Advanced Sound Retriever, Hi-Res audio, Reflex Optimizer |
The connectivity of competitors in our comparison is markedly different, Onkyo TX-NR656 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.
TX-NR656 | 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.
TX-NR656 | VSX-933 | |
---|---|---|
Apple Music (AirPlay) | AirPlay | AirPlay |
Amazon Music | ✖ | ✔ |
Spotify | ✔ | ✔ |
Other streaming services | Deezer, TuneIn Radio | 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.
Onkyo TX-NR656 is equipped with 8/2 HDMI inputs and outputs, and Pioneer VSX-933 has 6/1 HDMI inputs and outputs.
TX-NR656 | VSX-933 | |
---|---|---|
HDMI input/output | 8/2 | 6/1 |
HDMI ARC (Audio Return Channel) | ✔ | ✔ |
HDMI eARC (Enhanced Audio Return Channel) | ✖ | ✖ |
HDMI CEC | ✔ | ✔ |
Digital content protection (HDCP) | HDCP 2.2 | 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 | 2/0 | 1/0 |
Phono (MM) input | ✔ | ✔ |
Front panel connectors | HDMI, phones, setup mic, AUX | 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 TX-NR656 were rated 9 out of 10 against the 10 for the VSX-933.
TX-NR656 | VSX-933 | |
---|---|---|
HDR (High Dynamic Range) | ✔ | 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 |
Analog to HDMI scaling | ✔ | ✔ |
HDMI to HDMI scaling | ✔ | ✔ |
Dolby Vision | ✖ | ✔ |
Other video features | DeepColor, x.v.Color | DeepColor, x.v.Color, HLG, BT.2020 |
In terms of evaluating additional features, the TX-NR656 got 7 points, but the VSX-933 has 9.
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 VSX-933 can be controlled by voice via Google Assistant.
TX-NR656 | VSX-933 | |
---|---|---|
Voice control | ✖ | Google Assistant |
App control | iPhone, iPad, iPod, Android | iPhone, iPad, iPod, Android |
Display | fluorescent | 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 | has not | 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.
TX-NR656 | VSX-933 | |
---|---|---|
Multi-room zones | 2 | 2 |
Zone audio output | speaker, preout | speaker, preout |
Zone HDMI output | ✖ | ✖ |
Multi-room control | Onkyo Remote App, FlareConnect | 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.
TX-NR656 | VSX-933 | |
---|---|---|
Dolby Atmos | ✔ | ✔ |
Dolby TrueHD | ✔ | ✔ |
Dolby Surround | ✖ | ✔ |
Dolby (other) | has not | Dolby Digital Plus |
DTS:X | ✔ | ✔ |
DTS HD Master | ✔ | ✔ |
DTS Virtual:X | ✖ | ✖ |
DTS Neural:X | ✖ | ✔ |
DTS (other) | has not | DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS |
Auro-3D | ✖ | ✖ |
IMAX Enhanced | ✖ | ✖ |
Multichannel stereo | ✖ | ✖ |