Onkyo TX-NR575 would be impossible without a high-quality Asahi Kasei digital-analog converter. This device supports two zones. You can easily stream content from your devices using Play-Fi or Chromecast. The device can guarantee a stable, high-speed connection since it has a Bluetooth and a dual-band Wi-Fi module. The sound balancing is achieved via a very precise audio measuring and tweaking systems – AccuEQ and AccuReflex, so you will no experience distortion or echo. The receiver has line-out to another amp. Also, has a 2nd zone for 2 speakers (left and right channel). You can send the line out to another stereo amplifier. It does not do more than 2 zones on its own. You can use line-out to another amp, and pass through that amp to another amp, and so on. You can use both zones, but only to play the same music.
This unit was designed using the vector linear shaping circuitry technology. The quality of sound is very high since it is achieved with the dynamic audio amplification technology, which also guarantees the elimination of noise or distortion. It also features a multi-zone audio feature. This receiver has powerful wireless modules that let you stream content from devices or access various audio streaming services, like Pandora, Spotify or Tidal, etc. Speakers are balanced by the AccuEQ and AccuReflex technologies. It also has a great digital-analog converter that produces a clear sound both for compressed and uncompressed audio formats.
Both devices are quite powerful – 610 W Onkyo TX-NR575 vs TX-NR656 that has 609 W. However, the total power output is not the only factor that matters. Both devices have high-quality components that provide you with a great sound output. Moreover, there are many other factors we need to compare to find the best option for you.
The advantage of Onkyo TX-NR575 is the Chromecast technology, that is a great option for streaming content. The disadvantage is that you need a TV to navigate through menus.
The main advantage of Onkyo TX-NR656 is great compatibility. Plus, it has many audio/video enhancement technologies. The disadvantage is that you may have some conflicts between the receiver and a device if it has the “Deep Color” option enabled.
If we look closely at the receiver comparison Onkyo TX-NR656 vs TX-NR575, we will see that these two devices are quite close in terms of functions. Nevertheless, if you need a powerful device that has all modern features, then Onkyo TX-NR656 is for you, but if you look for a device with Chromecast, then Onkyo TX-NR575 will be a perfect option.
Onkyo TX-NR575 overview
Onkyo TX-NR656 overview
The best receiver is Onkyo TX-NR575. Check Onkyo TX-NR575 price on Amazon