The DAA sound enhancement technology fills any room, no matter how large it is, with the crystal-clear and pure sound. The measurement technology AccuReflex will tweak speakers to provide the best quality of sound. The reliable wireless connection modules let you establish a stable, high-speed connection that is enough to stream content from your devices. This model also supports Zone 2, which can be easily controlled by an application (available for all popular OSs). Firmware updating is highly recommended. If you connect the receiver to a PC and it gets no audio output for a while, the receiver turns off the audio. As soon as the receiver gets the audio signal, it turns on the audio with a short delay.
Onkyo TX-NR656 can play both compressed and lossless formats providing you with rich sound. It has many video/audio enhancement technologies like Deep Color, Lip-Sync, Dolby Atmos, etc. The device supports several zones with bi-amping for front channels with digital/analog audio playback. AV receivers Onkyo has Phono input for connecting turntable players. And compatibility with Hi-Res files allows you to use the application to search for albums with a resolution of 192/24 and 96/24 (including 5.6 MHz DSD) on your computer or NAS drive, and play them with unprecedented clarity, depth, and detail.
If we compare Onkyo TX-NR656 vs Onkyo TX-NR676, then we see that both models have many features in common. Even in terms of the total output power, they are pretty close – 700 W Onkyo TX-NR676 vs TX-NR656 that has 690 W. The difference is very slight and you will even hardly hear it. Nevertheless, these are two great devices, but there are still some minor differences.
The advantage of TX-NR676 is that it can open and play correctly almost all kind of media (both audio and video files). The disadvantage is not stable Chromecast. However, some models have a bad HDMI board that can fail.
The advantage of TX-NR656 is that it has many enhancement technologies, while its main disadvantage is buggy software (however, it may be fixed by firmware updating).
Another important difference is the number of HDMI ports – 8 inputs Onkyo TX-NR656 vs TX-NR676 that has 7 inputs only. Therefore, if you need a device with many HDMI ports then TX-NR656 is for you, but if you need a slightly more powerful device that can play all popular formats then consider buying Onkyo TX-NR676.
Onkyo TX-NR676 overview
Onkyo TX-NR656 overview
The best receiver is Onkyo TX-NR656. Check Onkyo TX-NR656 price on Amazon