The Yamaha RX-A8A vs Onkyo TX-RZ70 comparison makes sense because it shows what devices in their segments can offer. We estimated the compared receivers and both received a 9.4 out of 10 points. The release date of RX-A8A is 2021, and TX-RZ70 is 2023.
For the built-in amplifier, the models have rated 10 points out of 10.
The number of channels is equal to the number of possible connected speakers. Both receivers can handle the 11.2-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 RX-A8A this value is 150/8 W/Ohm, and for the TX-RZ70 it is 140/8 W/Ohm.
RX-A8A | TX-RZ70 | |
---|---|---|
Channels | 11.2 | 11.2 |
Stereo power (RMS), W/Ohm | 150/8 | 140/8 |
Output impedance, Ohm | 8 | 8 |
Frequency response | 10Hz-100KHz | 10Hz-100KHz |
THD in stereo, % | 0.06 | 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.
Speaker A/B switching allows you to change between the main and sub speaker set. Onkyo TX-RZ70 can work with the main and additional set of speakers - and switch between them.
RX-A8A | TX-RZ70 | |
---|---|---|
Digital to analog converter (DAC) | 384 KHz/32-bit | 384 KHz/32-bit |
Bi-amping | ✔ | ✔ |
Pure direct (straight) | ✔ | ✔ |
Auto speaker calibration | YPAO | AccuEQ |
Speaker A/B switching | ✖ | ✔ |
Other audio features | CINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT | Advanced Music Optimizer, Hi-Res audio, Dynamic Audio Amplification, CinemaFILTER |
The connectivity of competitors in our comparison is equal and was rated 9 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
RX-A8A | TX-RZ70 | |
---|---|---|
Wi-Fi | 2.4/5GHz | 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.
RX-A8A | TX-RZ70 | |
---|---|---|
Apple Music (AirPlay) | AirPlay, AirPlay 2 | AirPlay, AirPlay 2 |
Amazon Music | ✔ | ✔ |
Spotify | ✔ | ✔ |
Other streaming services | Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud | Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, Amazon Music, Amazon Music HD, MOOD:Mix |
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, Yamaha RX-A8A got 10 points, but Onkyo TX-RZ70 received 9 points.
Competitors in our review have 7/3 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 RX-A8A has a Phono interface.
RX-A8A | TX-RZ70 | |
---|---|---|
HDMI input/output | 7/3 | 7/3 |
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 | 3 | 2 |
Coaxial digital input | 2 | 2 |
Composite input | 2 | 2 |
Component input/output | 1 | 1/0 |
Phono (MM) input | ✔ | ✖ |
Front panel connectors | USB, phones, setup mic | 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 the RX-A8A were rated 9 out of 10 against the 10 for the TX-RZ70.
RX-A8A | TX-RZ70 | |
---|---|---|
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 |
Analog to HDMI scaling | ✔ | ✔ |
HDMI to HDMI scaling | ✔ | ✔ |
Dolby Vision | ✔ | ✔ |
Other video features | x.v.Color, HLG, BT.2020, LipSync | Variable Refresh Rate, Auto Low Latency Mode |
In terms of evaluating additional features, both receivers received a score of 10 out of 10.
RX-A8A | TX-RZ70 | |
---|---|---|
Voice control | Amazon Alexa, Google Assistant, Siri, Josh.AI | Amazon Alexa, Google Assistant, Siri, Josh.AI |
App control | iPhone, iPad, iPod, Android | 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 | Web Control, App Control | IP Control, Web 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.
RX-A8A | TX-RZ70 | |
---|---|---|
Multi-room zones | 3 | 3 |
Zone audio output | preout | speaker, preout |
Zone HDMI output | ✔ | ✔ |
Multi-room control | MusicCast | FlareConnect |
RS-232 | 0 | 1 |
Remote control input/output (IR) | 1/1 | 1/0 |
DC trigger output (12V) | 2 | 1 |
Yamaha RX-A8A got 8 points for the multichannel surround sound and Onkyo TX-RZ70 got 9.
Auro 3D gives a bit more versatility than Dolby Atmos or DTS:X and provides a hemispherical sound and enables a receiver to produce 3D sound stages. Only the Yamaha RX-A8A has Auro-3D on its feature list.
IMAX Enhanced is a licensing and certification program under which home theater devices deliver crisp 4K HDR pictures and powerful sound as it was designed by the IMAX engineers. The TX-RZ70 licensed by IMAX.
RX-A8A | TX-RZ70 | |
---|---|---|
Dolby Atmos | ✔ | ✔ |
Dolby TrueHD | ✔ | ✔ |
Dolby Surround | ✔ | ✔ |
Dolby (other) | Dolby Digital Plus, Dolby Atmos Height Virtualization | DSD, LPCM |
DTS:X | ✔ | ✔ |
DTS HD Master | ✔ | ✔ |
DTS Virtual:X | ✖ | ✖ |
DTS Neural:X | ✔ | ✖ |
DTS (other) | DTS-ES, DTS-HD | DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS |
Auro-3D | ✔ | ✖ |
IMAX Enhanced | ✖ | ✔ |
Multichannel stereo | ✖ | ✔ |