Onkyo TX-RZ810 is a THX-certified device that supports a 7.2 setup, which means the sound quality is equal to commercial theater sound quality. The power output is 130 W per channel. It has 8 in and 2 out HDMI ports. This receiver supports 4K 60 Hz video output. It also features AccuEQ calibration system that tweaks the whole set up to create natural and enveloping sound. The dynamic audio amplification technology prevents any phase shifting even at high volume. The noiseless audio processing technology outputs smooth sound. You can access different online services, like Pandora. The streaming is stable and fast. In Onkyo TX-RZ810 switching HDMI sources are fast and lag-free.
This model supports a 7.2 channel setup with the power 130W per channel. It also supports 5.2.2 channel Dolby Atmos, DTS:X, Dolby Surround and DTS: neural:X. It supports several zones as well. It can output 4K 60Hz video. Built-in Chromecast lets you stream audio content from your smartphone, laptop, or a PC. It can be controlled by a special application for iOS, Android, Windows devices or a Chromebook. Built-in Wi-Fi and Bluetooth modules let you access online music services (Pandora, Deezer, Spotify) and internet radio stations.
Onkyo always provides us with great solutions, if you compare Onkyo TX-RZ810 vs TX-RZ820, then you will see that there are no many differences, nevertheless, there are some.
The operational power consumption – 600 W Onkyo TX-RZ820 vs Onkyo TX-RZ810 that has 700 W.
The main advantage of TX-RZ810 is that it has many built-in technologies that can produce a high-quality output signal. The main disadvantage is that it has only 3 HDMI ports that support 4K, HDR and Atmos.
The main advantage of TX-RZ820 is that all HDMI ports support 4K, HDR, Atmos, while its main disadvantage is that it has problems with the audio output.
If you need to choose Onkyo TX-RZ820 vs TX-RZ810, then you have to decide how many devices you will connect to your future device. If you want to connect more than 3 devices and get 4k and HDR, then choose TX-RZ820, but if you do not need that amount of HDMI out ports that support 4K, HDR and Atmos, then TX-RZ810 will be enough.
Onkyo TX-RZ810 overview
Onkyo TX-RZ820 overview
The best receiver is Onkyo TX-RZ810. Check Onkyo TX-RZ810 price on Amazon